SOLUTION: Tom’s grades on his first 3 math tests are 82%, 75%, and 93%. What grade on the 4thtest will give Tom a test average of 87%?

Algebra ->  Average -> SOLUTION: Tom’s grades on his first 3 math tests are 82%, 75%, and 93%. What grade on the 4thtest will give Tom a test average of 87%?      Log On


   



Question 1045891: Tom’s grades on his first 3 math tests are 82%, 75%, and 93%. What grade on the 4thtest will give Tom a test average of 87%?
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


If he has an average of 87 on 4 tests, then the sum of the scores of all 4 tests must be 4 times 87.

John

My calculator said it, I believe it, that settles it