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.Com
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)   (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


RELATED QUESTIONS

sam has grades of 94 and 88 on his first two math tests. what possible scores on a third... (answered by ikleyn)
Jerome's score on four tests are 89,71, 87 and 75. What must his score on the next test... (answered by 2897696)
ryans first four test grades are 85 89 87 and 96 what is the lowest grade ryan can get... (answered by Fombitz)
On the first three tests in his math class, Bob's scores were 77, 93, and 84. What is the (answered by reviewermath)
Angela’s average for six math tests is 87. On her first four tests she had scores of (answered by ikleyn,mananth,greenestamps)
Tom received 89, 94, 86, and 96 on the first algebra tests. What grade must he receive on (answered by jim_thompson5910)
Jim has grades of 84, 65, and 76 on three math tests. What grade must he obtain on the... (answered by solver91311)
Tom scored 75, 78, 87, 81 and 76 on five exams. What grade must Tom obtain on his sixth... (answered by stanbon,nerdybill)
I want a 75 test average. I will have 3 test grades. I got a 72 and a 76 on the first two (answered by ikleyn,greenestamps)