Alegbra 1

Mrs. Gifford's class consists of 15 girls and 25 boys.

the class mean was 80 and the mean girl’s scores was 75. What was the mean of the boy’s scores?

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  1. (15*75 + 25x)/(15+25) = 80
    Now just find x.
    Total points / total students = average

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  2. Bill, you have now posted this same question 7 times since yesterday. You received a variety of ways to get the answer.
    Ms Sue even told you not to post it again, so here it is once more

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