The answer is A cause 30% is 0.7 and f(n-1) equals the amount being sold the +50 is for every 50 new one and the the 235 is for what they started with
Answer:
0.02987 %
Step-by-step explanation:
2.987 / 100 = 0.02987 %
Answer:
The answer is: 
Step-by-step explanation:
we are asked to subtract
from 
so,
.
Hence the desired result is:
.