SOLUTION: quiz scores are 73,75,89 and 91. What scores on a 5th quiz will make the average85?

SOLUTION: quiz scores are 73,75,89 and 91. What scores on a 5th quiz will make the average85?

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Question 189016: quiz scores are 73,75,89 and 91. What scores on a 5th quiz will make the average85?
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

73, 75, 89, 91 plus the score on the 5th test must add up to 5 times 85.

John

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