SOLUTION: kofi scored 73,75,89and 91 in four maths quizes.what score must he obtained in the fifth quiz in order to get an average of at least 85?
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Question 388662: kofi scored 73,75,89and 91 in four maths quizes.what score must he obtained in the fifth quiz in order to get an average of at least 85?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
kofi scored 73,75,89and 91 in four maths quizes.what score must he obtained in the fifth quiz in order to get an average of at least 85?
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85*5 = 425
He has 328 now (the sum of the 4)
425 - 328 = 97
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