What is the value of y?
A.
16
B.
48
C.
64
D.
132
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Answer:
3x+3x+7x+20+7x+20=360
20x=360-20
20x=320
x=16
therefore x=16 so,
7x+20+y=180
but x=16
7(16)+20+y=180
y=180-132
y=48