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48÷2(9+3) = ???

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BEDMAS
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BEDMAS
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Depends if the calculator's code treats brackets as *
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The answer is 2. For questions like that, ones that are pretty much basic algebra, it's best to do it yourself rather than using a calculator which just complicates it.

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

It's pretty simple, hope it helps! :)
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Here lies your answer.

Ooh, I thought Google was always right. Maybe the answer is 288? :)
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288!!!!!!!!!!!!!!
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wouldnt the answer be 4?
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A photo of mynameismattgotmlgo mynameismattgotmlgo
That the OP thinks this will determine how dumb a responder is doesn't paint a good picture of the OP's own intelligence.

I see it as just being a matter of following BEDMAS, which leads you to a solution of 2. If the question were (48/2)(9+3), then the answer would be 288.
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@mynameismattgotmlgo wrote

I see it as just being a matter of following BEDMAS, which leads you to a solution of 2.



Actually that isn't true. Following BEDMAS you have 48/2*12. Division and multiplication have the same precedence, so you evaluate 48/2 first, and then multiply by 12, giving you an answer of 288.

If it was 48/(2*(9+3)), then the answer would be 2.
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A photo of mynameismattgotmlgo mynameismattgotmlgo
Actually, it would be unsolvable due to poor formulation. BEDMAS is just a convenient acronym: just because the D precedes the M doesn't mean you do division before multiplication.
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@mynameismattgotmlgo wrote
Actually, it would be unsolvable due to poor formulation. BEDMAS is just a convenient acronym: just because the D precedes the M doesn't mean you do division before multiplication.



The reason why you do the division first in this specific situation is because division and multiplication have the same precedence algebraically, and therefore you do whichever one appears first in the expression. It has nothing to do with the D preceding the M in the acronym. If you had 48*2/12, you would perform the multiplcation first, because you evaluate from left to right.

The way it was posed in the OP is a legitimate formulation. If you type it into any math solver online you will get 288.
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A photo of mynameismattgotmlgo mynameismattgotmlgo

@BrownianMotion wrote
and therefore you do whichever one appears first in the expression.



Fair enough, but that's an informal rule not part of the order of operations. Any formula that requires informal rules to interpret is not a good formula.
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A photo of DoctorLawyerDentist DoctorLawyerDentist

@mynameismattgotmlgo wrote
That the OP thinks this will determine how dumb a responder is doesn't paint a good picture of the OP's own intelligence.

I see it as just being a matter of following BEDMAS, which leads you to a solution of 2. If the question were (48/2)(9+3), then the answer would be 288.



:shaking::shaking::shaking::shaking::shaking::shaking::shaking::shaking::shaking:


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A photo of DoctorLawyerDentist DoctorLawyerDentist
Depending on your views for evaluating in line expressions, the question could be interpreted as either

[code]a:
48
2(9+3)

or b:
48/2*(9+3)
[/code]

Either option is valid, and the option that is correct depends on the context of the question. For example the equation (a/b)*(c/d)=ac/bd, which demonstrates how to multiply rationals, would only be correct if it was interpreted with option a.

Therefore, screw your question, OP. Reposting outdated memes is not cool.
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A photo of DoctorLawyerDentist DoctorLawyerDentist

@lashes wrote

@DoctorLawyerDentist wrote
Depending on your views for evaluating in line expressions, the question could be interpreted as either

[code]a:
48
2(9+3)

or b:
48/2*(9+3)
[/code]

Either option is valid, and the option that is correct depends on the context of the question. For example the equation (a/b)*(c/d)=ac/bd, which demonstrates how to multiply rationals, would only be correct if it was interpreted with option a.

Therefore, screw your question, OP. Reposting outdated memes is not cool.



Umm. No. lol.

As stated earlier, the question simplifies to: 48 / 2 * 12

In teh majikal world of the interwebs, anything goes. In the "civilised world", expressions are evaluated by orders of operations and left to right.


Now, will that be one lump or two? ;)



http://www.physicsforums.com/showthread.php?p=3242786
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2
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