SOLUTION: to get an average of 90, what must the sum of all her test scores be?

SOLUTION: to get an average of 90, what must the sum of all her test scores be?

Algebra.Com

Question 334961: to get an average of 90, what must the sum of all her test scores be?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
90 times the number of tests

RELATED QUESTIONS
She has test scores of 65,78,81,82and 90. What must be scores on her 6 test to maintain... (answered by amarjeeth123)

Kathy has test scores of 88, 90, 91, and 78. What must she score on her next test to have (answered by lynnlo)

Lisa recorded her first 4 scores in a Math test. 86%,94%,78%,97%. In order to get an A... (answered by macston)

test scores - 79,88,93 If all the tests are equally weighted, what score must you get on (answered by rfer)

Heather has had four algebra tests so far this year. Her scores are: 90%, 87%, 96%, and... (answered by ewatrrr)

To get an A in her math course, Tina needs, the average of five tests to be at least 90.... (answered by macston)

Jamie has taken three math tests. Her scores were 88, 94, and 95. To have an average of... (answered by Fombitz)

Gabe received the following scores on 4 tests. 87,92,95,82. What must he get on the next... (answered by Cromlix)

Johns test scores are 95,90,83. What must he score on his next test to have an average... (answered by shweta)