Melvin is preparing for the last of 7 exams this semester. So far he has earned the following scores: 67, 89, 75, 83, 92, and 98. question continues below...

Question

Assuming his course average is only based on test scores. what possible range of scores will give him at least an 85 in the course? Write and inequality and solve.Write and inequality and solve.

Answer 1

(67 + 89 + 75 + 83 + 92 + 98 + s)/7 ≥ 85

504 + s ≥ 595

s ≥ 91