Answer:
12 months is one year so the expression is:
Step-by-step explanation:
2year = 2(X)
so you know one year 12 months you can put 12 on the x value
2 years = 2(12)
2 years = 24 months
I believe the answer to that problem would be $68.55, since you have to add them together and then multiply them by .07 for the percentage.
we can sue formula

where
P(t) is population after t years
P0 is initial population
k is growth rate
t is time in years since 1985
Let's assume
h(t)=P(t) is million
h_0=P_0 in million
we can replace it
and we get
..............Answer
19
-8+8=0 you left with 19