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y > 4

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Founder
Joined: 18 Apr 2015
Posts: 6898
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Kudos [?]: 1342 [0], given: 6309

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

67% (00:32) correct 32% (00:44) wrong based on 56 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.

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

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Founder
Joined: 18 Apr 2015
Posts: 6898
Followers: 114

Kudos [?]: 1342 [1] , given: 6309

Re: y > 4 [#permalink]  07 Sep 2017, 14:40
1
KUDOS
Expert's post
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

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Intern
Joined: 26 Aug 2017
Posts: 31
Followers: 0

Kudos [?]: 19 [2] , given: 7

Re: y > 4 [#permalink]  12 Sep 2017, 08:34
2
KUDOS
Multiply both sides by 5 and then subtract 3y. You get 2 vs 2y, and since y > 4, quantity B will always be bigger
GRE Instructor
Joined: 10 Apr 2015
Posts: 1971
Followers: 60

Kudos [?]: 1798 [1] , given: 9

Re: y > 4 [#permalink]  27 Mar 2019, 17:15
1
KUDOS
Expert's post
Carcass wrote:
$$y > 4$$

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

We can solve this question using matching operations

Given:
Quantity A: $$\frac{3y+2}{5}$$
Quantity B: $$y$$

Multiply both quantities by 5 to get:
Quantity A: $$3y+2$$
Quantity B: $$5y$$

Subtract 3y from both quantities to get:
Quantity A: $$2$$
Quantity B: $$2y$$

Divide both quantities by 2 to get:
Quantity A: $$1$$
Quantity B: $$y$$

Since we're told that y > 4, we know that Quantity B is greater.

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Re: y > 4   [#permalink] 27 Mar 2019, 17:15
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