48÷2(9+3) = ???

[jfmartimcdandruff]

Do you automatically group 2(9+3) ? Like (2(9+3))???

 

[2g00d4u]

a lot of people are forgetting the left to right rule.

since division comes first, you divide first.

48÷2(9+3)
48÷2(12)
24(12)
=288

theres no need to rewrite the equation, add extra numbers, parenthesis, etc.

 

[2g00d4u]

a lot of people are forgetting the left to right rule.

since division comes first, you divide first.

48÷2(9+3)
48÷2(12)
24(12)
=288

theres no need to rewrite the equation, add extra numbers, parenthesis, etc.

 

[himhotdemnot]

Please Excuse My Dear Aunt Sally....

 

[himhotdemnot]

Please Excuse My Dear Aunt Sally....

 

[balloonoboy]

Originally Posted by IRockTMacs

Originally Posted by OptimusADL

Originally Posted by balloonoboy

Originally Posted by OptimusADL

Exactly.
So following that model a/b(c+d) is the same as ((a/b)c+(a/b)d).

There are no parentheses around the b(c+d) so you should be distributing "a/b" or "1/b" not just "b".

Yea but it doesn't work like that. You can only distribute multiplication. This just so happens to be a part of the parenthetical expression.

You arent making sense. 0.5 is 1/2 just different forms of the same number.
1/2x = 1/2(x) = 0.5x

1/2x != 1/(2x)

This is why parentheses are important.

Can't you just re-write that
[h3]÷2[/h3]at the start as (1/2) with no repercussions?

If I'm wrong in saying so then my logic is flawed.

No you can't do that, because doing so would change what's written.

48÷2(9+3) =/= 48÷2 x (9+3)

 

[balloonoboy]

Originally Posted by IRockTMacs

Originally Posted by OptimusADL

Originally Posted by balloonoboy

Originally Posted by OptimusADL

Exactly.
So following that model a/b(c+d) is the same as ((a/b)c+(a/b)d).

There are no parentheses around the b(c+d) so you should be distributing "a/b" or "1/b" not just "b".

Yea but it doesn't work like that. You can only distribute multiplication. This just so happens to be a part of the parenthetical expression.

You arent making sense. 0.5 is 1/2 just different forms of the same number.
1/2x = 1/2(x) = 0.5x

1/2x != 1/(2x)

This is why parentheses are important.

Can't you just re-write that
[h3]÷2[/h3]at the start as (1/2) with no repercussions?

If I'm wrong in saying so then my logic is flawed.

No you can't do that, because doing so would change what's written.

48÷2(9+3) =/= 48÷2 x (9+3)

 

[snakeyes17]

Originally Posted by JFMartiMcDandruff

48 * (1/(2*(9+3))) = 2

But that isn't the problem. There are no parentheses around the 2(9+3). You can't just assume that. If it was 48 divided by (2(9+3)) then 2 would be the right answer. But it isn't.

 

[snakeyes17]

Originally Posted by JFMartiMcDandruff

48 * (1/(2*(9+3))) = 2

But that isn't the problem. There are no parentheses around the 2(9+3). You can't just assume that. If it was 48 divided by (2(9+3)) then 2 would be the right answer. But it isn't.

 

[eddiehouse5]

Originally Posted by JFMartiMcDandruff

Do you automatically group 2(9+3) ? Like (2(9+3))???

Yes. The question is not poorly written, some of you are just trying to create new math.

 

[irocktmacs]

Originally Posted by balloonoboy

Originally Posted by IRockTMacs

Originally Posted by OptimusADL

You arent making sense. 0.5 is 1/2 just different forms of the same number.
1/2x = 1/2(x) = 0.5x

1/2x != 1/(2x)

This is why parentheses are important.

Can't you just re-write that
[h3]÷2[/h3]at the start as (1/2) with no repercussions?

If I'm wrong in saying so then my logic is flawed.

No you can't do that, because doing so would change what's written.

48÷2(9+3) =/= 48÷2 x (9+3)

Okay.

I'ma go play some video games.

Thank you for the debate.

 

[dmbrhs]

Originally Posted by unique8587

Originally Posted by StrongMind3

someone please tell me how this is wrong?

2.... 

Well. Parentheses are first so its (9+3) which leaves (12). The equation now becomes 48/2 x 12
Because this is a math equation, you will start from left to right. So that means you divide first THEN multiple. The answer is 288.

You guys are doing distribution when you should be dividing first.

PEMDAS It's Multiple or Divide which ever precedes first.

 No it doesn't. You literally just added a symbol that was not part of the equation. The 2 is tied to the parentheses. You must solve everything related to the parenthetical before doing anything else.

 

[eddiehouse5]

Originally Posted by JFMartiMcDandruff

Do you automatically group 2(9+3) ? Like (2(9+3))???

Yes. The question is not poorly written, some of you are just trying to create new math.

 

[irocktmacs]

Originally Posted by balloonoboy

Originally Posted by IRockTMacs

Originally Posted by OptimusADL

You arent making sense. 0.5 is 1/2 just different forms of the same number.
1/2x = 1/2(x) = 0.5x

1/2x != 1/(2x)

This is why parentheses are important.

Can't you just re-write that
[h3]÷2[/h3]at the start as (1/2) with no repercussions?

If I'm wrong in saying so then my logic is flawed.

No you can't do that, because doing so would change what's written.

48÷2(9+3) =/= 48÷2 x (9+3)

Okay.

I'ma go play some video games.

Thank you for the debate.

 

[dmbrhs]

Originally Posted by unique8587

Originally Posted by StrongMind3

someone please tell me how this is wrong?

2.... 

Well. Parentheses are first so its (9+3) which leaves (12). The equation now becomes 48/2 x 12
Because this is a math equation, you will start from left to right. So that means you divide first THEN multiple. The answer is 288.

You guys are doing distribution when you should be dividing first.

PEMDAS It's Multiple or Divide which ever precedes first.

 No it doesn't. You literally just added a symbol that was not part of the equation. The 2 is tied to the parentheses. You must solve everything related to the parenthetical before doing anything else.

 

[unkletomcruze]

Originally Posted by spacerace

Originally Posted by UnkleTomCruze

a: 48/2(9+3) = b: 48/ (2(9+3))

Even if Multi = Division, b shows that you still gotta solve, first, what's in the parenthesis. Which will still lead you to 2.

...

yeah, because you changed the problem when you added parenthesis  
48/2(9+3) =/=  48/ (2(9+3))

     288     =/=     2

How did I change the problem.

You just cant read math broham.

Let's try this another way.

48/2(9+3) in standard English = 48 is the the numerator, and entirety of 2(9+3) is the denominator.

If I gave you just the equation 2(9+3), and asked you to solve it, what would your answer be?

If you're smart, you'll say 24.

So, at this point, we have a numerator of 48 and a denominator of 24 which equals 48/24...which in turn equals 2.

I'm officially done with this thread...can't do it no'more...

...

 

[unkletomcruze]

Originally Posted by spacerace

Originally Posted by UnkleTomCruze

a: 48/2(9+3) = b: 48/ (2(9+3))

Even if Multi = Division, b shows that you still gotta solve, first, what's in the parenthesis. Which will still lead you to 2.

...

yeah, because you changed the problem when you added parenthesis  
48/2(9+3) =/=  48/ (2(9+3))

     288     =/=     2

How did I change the problem.

You just cant read math broham.

Let's try this another way.

48/2(9+3) in standard English = 48 is the the numerator, and entirety of 2(9+3) is the denominator.

If I gave you just the equation 2(9+3), and asked you to solve it, what would your answer be?

If you're smart, you'll say 24.

So, at this point, we have a numerator of 48 and a denominator of 24 which equals 48/24...which in turn equals 2.

I'm officially done with this thread...can't do it no'more...

...

 

[unkletomcruze]

Originally Posted by JFMartiMcDandruff

Do you automatically group 2(9+3) ? Like (2(9+3))???

Yes, the two is attached to the (9+3).

This can be viewed as 2x(9+3)

...

 

[unkletomcruze]

Originally Posted by JFMartiMcDandruff

Do you automatically group 2(9+3) ? Like (2(9+3))???

Yes, the two is attached to the (9+3).

This can be viewed as 2x(9+3)

...

 

[boys noize]

btw, don't want to have my first post in this thread misinterpreted. What I meant was that the answer would be 288 ONLY if the equation was read as 48/2*(9+3).

I believe the answer is 2 because

48 / 2(9+3) = 48 / (2 * 9 + 2 * 3)
= 48 / (18 + 6)
= 48 / 24
= 2

You have to follow the DISTRIBUTIVE property first.

 

[boys noize]

btw, don't want to have my first post in this thread misinterpreted. What I meant was that the answer would be 288 ONLY if the equation was read as 48/2*(9+3).

I believe the answer is 2 because

48 / 2(9+3) = 48 / (2 * 9 + 2 * 3)
= 48 / (18 + 6)
= 48 / 24
= 2

You have to follow the DISTRIBUTIVE property first.

 

[unique8587]

Originally Posted by eddiehouse5

Originally Posted by JFMartiMcDandruff

Do you automatically group 2(9+3) ? Like (2(9+3))???

Yes. The question is not poorly written, some of you are just trying to create new math.

No the problem is not grouped like (2(9+3)) which why the answer is 288. That's the mistake that they are making.
If its was grouped together you would approach the problem differently and the answer would be 2.

I'm not sure if people are just saying the answer is 2 just to troll or they really sucked at math.

 

[snakeyes17]

Originally Posted by dmbrhs

Originally Posted by unique8587

Originally Posted by StrongMind3

someone please tell me how this is wrong?

2.... 

Well. Parentheses are first so its (9+3) which leaves (12). The equation now becomes 48/2 x 12
Because this is a math equation, you will start from left to right. So that means you divide first THEN multiple. The answer is 288.

You guys are doing distribution when you should be dividing first.

PEMDAS It's Multiple or Divide which ever precedes first.

 No it doesn't. You literally just added a symbol that was not part of the equation. The 2 is tied to the parentheses. You must solve everything related to the parenthetical before doing anything else.

Nah

You solve what is INSIDE the parentheses first. Everything that is related to it? Nah. The parentheses show that you have to solve that first so you get the 12. After that, the problem is in fact 48/2*12. You don't need parentheses anymore, and it does mean to multiply the 12 times 2. With what is left, you follow PEMDAS and the M and D are of the same importance so you do what comes first. Therefore the 48/2 = 24. Then the 24*12 = 288.

 

[snakeyes17]

Originally Posted by dmbrhs

Originally Posted by unique8587

Originally Posted by StrongMind3

someone please tell me how this is wrong?

2.... 

Well. Parentheses are first so its (9+3) which leaves (12). The equation now becomes 48/2 x 12
Because this is a math equation, you will start from left to right. So that means you divide first THEN multiple. The answer is 288.

You guys are doing distribution when you should be dividing first.

PEMDAS It's Multiple or Divide which ever precedes first.

 No it doesn't. You literally just added a symbol that was not part of the equation. The 2 is tied to the parentheses. You must solve everything related to the parenthetical before doing anything else.

Nah

You solve what is INSIDE the parentheses first. Everything that is related to it? Nah. The parentheses show that you have to solve that first so you get the 12. After that, the problem is in fact 48/2*12. You don't need parentheses anymore, and it does mean to multiply the 12 times 2. With what is left, you follow PEMDAS and the M and D are of the same importance so you do what comes first. Therefore the 48/2 = 24. Then the 24*12 = 288.

 

[jfmartimcdandruff]

Originally Posted by snakeyes17

Originally Posted by JFMartiMcDandruff

48 * (1/(2*(9+3))) = 2

But that isn't the problem. There are no parentheses around the 2(9+3). You can't just assume that. If it was 48 divided by (2(9+3)) then 2 would be the right answer. But it isn't.

Yeah, i'm just wondering if you group 2(9+3) automatically ....if that's the case then yeah, but if not then it's 288