Question

Rosemary's math grades are 90, 98, 96, 94, and 85. What must her sixth grade be so that her average is 92?

Answer 1

89

Explanation:

`(90+98+96+94+85+x)/(6)` = 92 Solve for x. Multiply both sides by 6

463+x = 552 Subtract

x=89

Answer 2

89

Explanation:

(90+98+96+94+85+89)/6=89