Question

What is the value of y?

A.
16

B.
48

C.
64

D.
132

Answer 1

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