Answer:
A. x=8 B. x=25
Step-by-step explanation:
for a.
70/50=1.4
60*1.4=11x-4
84=11x-4
88=11x
x=8
for b.
72/27=2/3
64/(2/3)=-4+4x
96=-4+4x
100=4x
x=25
