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# If the ratio of x : y is 6 : 7, and x is equal to 15, then the value o

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Math Expert
Joined: 02 Sep 2009
Posts: 58381
If the ratio of x : y is 6 : 7, and x is equal to 15, then the value o  [#permalink]

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28 Feb 2019, 00:06
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Difficulty:

5% (low)

Question Stats:

91% (00:44) correct 9% (01:58) wrong based on 23 sessions

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If the ratio of x : y is 6 : 7, and x is equal to 15, then the value of y is

A. 7
B. 13.5
C. 17
D. 17.5
E. 20

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Joined: 14 Mar 2018
Posts: 56
GPA: 2.99
Re: If the ratio of x : y is 6 : 7, and x is equal to 15, then the value o  [#permalink]

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28 Feb 2019, 00:21
We have 6y= 15x7

=>y= 105/6 = 17.5

Re: If the ratio of x : y is 6 : 7, and x is equal to 15, then the value o   [#permalink] 28 Feb 2019, 00:21
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