SOLUTION: Ryan has scored 79, 61, 88, 85, and 86 on his previous five tests. What score does he need on his next test so that his average is 78?
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Question 970807: Ryan has scored 79, 61, 88, 85, and 86 on his previous five tests. What score does he need on his next test so that his average is 78? Answer by josgarithmetic(39628) (Show Source):
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