SOLUTION: Ryan has scored , , , and on his previous four tests. What score does he need on his next test so that his average (mean) is ?
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Question 629268: Ryan has scored , , , and on his previous four tests. What score does he need on his next test so that his average (mean) is ?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Ryan has scored , , , and on his previous four tests. What score does he need on his next test so that his average (mean) is ?
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Avg = (S1 + S2 + S3 + S4 + next score)/5
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