SOLUTION: Omar has scored 83 ,82 ,86 ,66 and on his previous four tests. What score does he need on his next test so that his average (mean) is 82 ?

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Question 728462: Omar has scored 83 ,82 ,86 ,66 and on his previous four tests. What score does he need on his next test so that his average (mean) is 82 ?
Answer by lynnlo(4176)   (Show Source): You can put this solution on YOUR website!
you will need at least a 96
83+82+86+66+96=82.6
anything over 5 you round it off to a whole number which will be 82.6=83

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