queenAn1505 queenAn1505

13-09-2016
Mathematics

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Multiple Choice In Mr. Mamer's math class, there are three times as many girls as boys. The girls' mean grade on a recent quiz was 90, and the boys' mean grade was 86. What was the mean grade for the entire class?

F. 88

G. 44

H. 89

J. 95

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Аноним Аноним

13-09-2016

The answer is 88 you have to add 90+86=176÷2 which equals 88

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