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If x = 2y, what is the value of xy ?

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If x = 2y, what is the value of xy ?  [#permalink]

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New post 31 Dec 2018, 06:29
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  15% (low)

Question Stats:

92% (00:45) correct 8% (01:00) wrong based on 39 sessions

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Project DS Butler: Day 56: Data Sufficiency (DS111)


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If x = 2y, what is the value of xy ?

(1) x > Y
(2) 3x - 2y = 14

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If x = 2y, what is the value of xy ?  [#permalink]

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New post 31 Dec 2018, 08:39
If x = 2y, what is the value of xy ?

(1) x > Y
(2) 3x - 2y = 14


Statement 1:
x > y
We do not know a single value. Insuff.

Statement 2:
Plug in x for 2y
3x - x = 14
2x = 14
x = 7
y = 3.5
xy = 7*3.5
Suff
GMAT Club Bot
If x = 2y, what is the value of xy ? &nbs [#permalink] 31 Dec 2018, 08:39
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If x = 2y, what is the value of xy ?

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