Source: Official Guide
In the figure above, if x/(x+y)= 3/8, then x =
A. 60
B. 67.5
C. 72
D. 108
E. 112.5
The OA is B
In the figure above, if x/(x+y)= 3/8, then x =
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[spoiler=] [/spoiler][/quote]BTGmoderatorLU wrote: ↑Mon Sep 13, 2021 11:25 amSource: Official Guide
Untitled(3).png
In the figure above, if x/(x+y)= 3/8, then x =
A. 60
B. 67.5
C. 72
D. 108
E. 112.5
The OA is B
Given: x/(x + y) = 3/8
Since angles on a line add to 180 degrees, we know that x + y = 180
So we can take the given equation, x/(x + y) = 3/8, and substitute 180 for x + y to get: x/180 = 3/8
Cross multiply: 8x = 540
Solve: x = 540/8 = 67.5
Answer: B