Answer:
160.10
Step-by-step explanation:
y=a(1.growth factor)^x
y=100(1.04)^12
y=100(1.6010)
y=160.10
y= -1/2
x=3/2
first isolate x
2x+4y=1
2x=1-4y
x=(1-4y)/2
subsitute it in the second equation
look at the pic
12.5%
5/40 = .125
.125×100 = 12.5%
Hope you made a good grade