Mathematics, 01.02.2020 11:45 countessbianca
Assume that advanced students average 93% on an achievement test and regular students averaged 75%. if 100 advanced students and 300 regular students took the test, what would you expect the average to be? how many of each kind of student would be needed to get a group of 90 students who average 87% on the test? include work/explaination, i along with a few of my classmates are confused by this problem. we are in a chapter about systems of equations.
Answers: 3
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Assume that advanced students average 93% on an achievement test and regular students averaged 75%....
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