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For the integers a,b

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victory
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For the integers a,b [#permalink] New post   15 Dec 2015, 20:30
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For the integers a,b and c the sum of a and b is 75% of c.
A : (3/4) (a+b)
B: (4/3) (c)

I solved it as A: 3/4 x 75/100 x C = 9/16 C
B : 4/3 C

Removing the value of C, B will be greater. Since we do not value of C, it is D.

Is my method is right?Discuss.
Thank You.
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D
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chad
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Re: For the integers a,b [#permalink] New post   26 Feb 2016, 09:56
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The expert post above is incorrect, and I think they misread the op's question. yes the op's approach is correct.
Because we do not know the value of 'c', we cannot determine, so the correct answer is D.

If c>0, then Quantity B will be larger.
If c=0, then the Quantities are equal.
If c<0, then Quantity A will be larger.

The trap here is it only says integers. So we must test for 0 and negatives as well as positives.
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Re: For the integers a,b [#permalink] New post   16 Dec 2015, 02:49
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victory wrote:
For the integers a,b and c the sum of a and b is 75% of c.
A : (3/4) (a+b)
B: (4/3) (c)

I solved it as A: 3/4 x 75/100 x C = 9/16 C
B : 4/3 C

Removing the value of C, B will be greater. Since we do not value of C, it is D.

Is my method is right?Discuss.
Thank You.



I think your method is correct! B is indeed greater.
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Re: For the integers a,b [#permalink] New post   12 Apr 2022, 02:10
Hello from the GRE Prep Club BumpBot!

Thanks to another GRE Prep Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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Re: For the integers a,b [#permalink]
12 Apr 2022, 02:10
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