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y > 4

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y > 4 [#permalink] New post 07 Sep 2017, 14:22
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Question Stats:

68% (00:29) correct 31% (00:19) wrong based on 22 sessions
\(y > 4\)

Quantity A
Quantity B
\(\frac{3y+2}{5}\)
\(y\)



A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.


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Question: 6
Page: 113
Difficulty: medium
[Reveal] Spoiler: OA

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Re: y > 4 [#permalink] New post 07 Sep 2017, 14:40
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Explanation

Tricky question.

The stem says that y > 4 but it does not mention the fact that it could be an integer such as 5 or a fraction such as \(\frac{6}{1.4} = 4.2\)

If you substitute 5 to A the result is 3.4 that is less than 4. OR 4.2 the result is 2.92 that is less than 4.

So, no matter what quantity B is > than quantity A

B is the answer
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Re: y > 4 [#permalink] New post 12 Sep 2017, 08:34
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Multiply both sides by 5 and then subtract 3y. You get 2 vs 2y, and since y > 4, quantity B will always be bigger
Re: y > 4   [#permalink] 12 Sep 2017, 08:34
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