Question

The rates for a go-Kart course are shown.

NUMBER OF LAPS n | 1 | 2 | 3 | 4 | .
___________________________________
TOTAL COST ($) f(n) | 7 | 9 | 11 | 13 |
What is the total cost for the 15 laps?

Answer 1

I am pretty late but eh

Explanation:

1:7

2:9

3:11 and so on

proption 1:7 15:x

x=105