Question

Table Sasha wants to know her average grade on her math tests. She earned a score of 70 on two tests, an 80 on one test, and a 90 on two tests. What is Sasha’s mean score? 70 75 80 90 This question is for 79 points

Answer 1

you are missing another 70 it says 70 on 2 tests so it would be 70, 70, 80, 90 then add
the / means divide
(70 + 70 + 80 + 90) / 4 = 77.5

Answer 2

She scored 70in 2 tests, 80in one test and 90 in other two.
So mean score=(70+70+80+90+90)/5
Mean score=400/5= 80 marks