SOLUTION: Ryan has scored 74,86 ,75 ,69 and on his previous four tests. What score does he need on his next test so that his average (mean) is 75?

SOLUTION: Ryan has scored 74,86 ,75 ,69 and on his previous four tests. What score does he need on his next test so that his average (mean) is 75?

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Question 629271: Ryan has scored 74,86 ,75 ,69 and on his previous four tests. What score does he need on his next test so that his average (mean) is 75?
Answer by reviewermath(1029) (Show Source): You can put this solution on YOUR website!
75(5) - (74 + 86 + 75 + 69) = 71
Answer: 71
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