# SOLUTION: The Average (arithmetic mean) of a student's scores on 4 tests was 77. If he recieved a score of 69 on each of the first two tests and an 82 on the third, what was his score on th

Algebra ->  Algebra  -> Average -> SOLUTION: The Average (arithmetic mean) of a student's scores on 4 tests was 77. If he recieved a score of 69 on each of the first two tests and an 82 on the third, what was his score on th      Log On

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 Question 452131: The Average (arithmetic mean) of a student's scores on 4 tests was 77. If he recieved a score of 69 on each of the first two tests and an 82 on the third, what was his score on the fourth test?Answer by ankor@dixie-net.com(15649)   (Show Source): You can put this solution on YOUR website!The Average (arithmetic mean) of a student's scores on 4 tests was 77. If he recieved a score of 69 on each of the first two tests and an 82 on the third, what was his score on the fourth test? : let x = fourth test score : = 77 : = 77 multiply both sides by 4 220 + x = 4(77) x = 308 - 220 x = 88 on the 4th test : : You can check this =