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Mrs. Gifford's class consists of 15 girls and 25 boys.
On the first test the mean of the girls’ scores was 80 and the mean of the boy’s scores was 70. What was the class mean? (Remember the class mean is not just averaging the two means)
On the second test, the class mean was 80 and the mean girl’s scores was 75. What was the mean of the boy’s scores?
Whats the second tests answer
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i need the answer to the second part they did not show me that
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