The answer would be
f(1) = 2 f(n) = f(n-1) + 3
He sold 17 t-shirts. Subtract 40 from 125 and then divide 5 into 85. Your answer is 17.
Preserved the size because 12inchs is = to 1 ft.
Answer:

Step-by-step explanation:
The combined distance that both planes will cover is 200 miles
Time taken by both planes will be the same (t)

So, the combined distance is

They will meet in
.