Question

Which expression is equivalent to 30(1/2x-2)+40(3/4y-4)

A.45xy-220
B.15x-30y-220
C.15x+30-220
D.15x+30y-64

Answer 1

C, assuming you left off the y on the 30

Explanation:

30(.5x-2)+40(.75y-4)

Distribute

15x-60+30y-160

Simplify

15x+30y-220