Not respond with i don't know or anything but with the answer just for the ! the average test score a of five test scores t 1, t 2, t 3, t 4, and t 5 can be computed by the formula shown below.

a=t 1+t 2+t 3+t 4+t 5/(over)5

if a student has test scores of 88, 71, 80, and 72, what score does she need on the fifth test so that her five-test average is 76?