Answer:
Option C - The amount Kelsey will earn in 12 months if he makes 48 sales is $ 45,600.
Explanation:
Expression for Kelsey monthly earnings is 200 + 75s
where s is number of sales = 48
= 200 + 75(48)
= 200 + 3600
=$ 3800
in a month, Kelsey earns
therefore,
in 12 months Kelsey will earn = 3800 x 12
= $ 45,600