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
OA D
Source: Princeton Review
If the ratio of x:y is 6:7, and x is equal to 15, then the value of y is
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Solution:BTGmoderatorDC wrote: ↑Wed Nov 18, 2020 5:02 pmIf 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
OA D
We can create the proportion:
x/y = 6/7
Since we are given that x = 15, we have:
15/y = 6/7
6y = 105
y = 17.5
Answer: D
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