Question

Beth scored 92 and 96 on her first two tests. What score must she make on her third test to keep an average of 90 or greater?

Answer 1

82 or more

Explanation:

Answer 2

Explanation:

average for 3 tests >90

total for 3 tests>90×3

or total for 3 tests>270

total of 2 tests=92+96=188

so score in third test >(270-188)

or >82