SOLUTION: Seth scored an 82%, 88%, and 75% on three tests. What score must he get on the fourth test to bring his average to 80%?
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Question 1094517: Seth scored an 82%, 88%, and 75% on three tests. What score must he get on the fourth test to bring his average to 80%?
Answer by addingup(3677) (Show Source): You can put this solution on YOUR website!
(82+88+75+x)/4 = 80
(245+x)/4 = 80
245+x = 320
x = 75 <-- this is the grade he needs to get on the 4th test.
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