Question

4. Gabi is trying to earn a C in her Algebra class. In order to do that, her test scores must average at least 75%.On the first 4 tests, her average is 70%. There is one test remaining for the quarter. What is the minimum score sheneeds to earn on the last test to receive a C for the quarter?Gabi must score at leasta:

Answer 1

`\begin{gathered} \text{To gain average 75\%,} \\ 75=(70+x)/(2) \\ x=80 \\ \text{Gabi must score 80\% to maintain 75\%.} \end{gathered}`