Answer:
D. 28
Step-by-step explanation:

The function:f ( x ) = x * 0.965^twhere x is the initial amount and t is the number of the years80 = x * 0.965^380 = x * 0.89632x = 80 : 0.89632 ≈ 89Answer:The initial amount of animals was 89.
Answer:
x = 22.5
Step-by-step explanation:

1.25=125/100=5/4......so 5/4 is the answer
14/12=1 and 2/12= 1 and 1/6
31/10= 3 and 1/10