SOLUTION: If you have a scores of 82, 77 and 87 on the frist 3 tests for math 100, what scroe would you have to get on the fourth test to earn a B (83% average)?

Algebra ->  Average -> SOLUTION: If you have a scores of 82, 77 and 87 on the frist 3 tests for math 100, what scroe would you have to get on the fourth test to earn a B (83% average)?      Log On


   



Question 319880: If you have a scores of 82, 77 and 87 on the frist 3 tests for math 100, what scroe would you have to get on the fourth test to earn a B (83% average)?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
(82+77+87+x)/4=83
(246+x)/4=83
246+x=332
x=86 %