Question

A basketball player made 12 out of 15 free throws she attempted. she wantsto know have many consecutive free throws she would have to make to raise the percent of successfulfree throws to 85%

Answer 1

n = 5.

Explanation:

Let the number of throws needed be n throws, then:

(12 + n) / (15 + n) = 0.85

12 + n = 12.75 + 0.85n

0.15n = 0.75

n = 0.75/0.15

n = 5.