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OpenStudy (anonymous):
30 students in a class average 80% on a certain exam. 20 others averaged 90%. what is the class average??
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OpenStudy (abb0t):
Omg. You better hope you scored at least 88% on your exam cuz there is guaranteed NO CURVE.
OpenStudy (anonymous):
just answer the question plz..
OpenStudy (anonymous):
30 students got 80/100. Total score = 2400 20 students got 90/100 Total score = 1800 Total students in the class = 50 Total score of 50 students = 4200 Average = 4200/50 = 84/100 = 84%
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