17. So far this basketball season, Sherita made 46 of her first 60 free throws, giving her a free-throw average of about 76.7%. What is the minimum number of free throws she would need make from now on in order to have a free-throw average of at least 80%?

Answer and Explanation

Your Answer is

Correct Answer is C

Explanation

Assume that x more free throws need to be scored. (46+x) / (60+x) ≥ 80%, the solution is x≥10