SOLUTION: Twelve students in a class average 70% on a certain test.Eighteen others average 80%.What is the overall average of the thirty students as a percent?please tell the answer....
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Question 815034: Twelve students in a class average 70% on a certain test.Eighteen others average 80%.What is the overall average of the thirty students as a percent?please tell the answer.... Answer by ewatrrr(24785) (Show Source):
Hi,
Twelve students in a class average 70% on a certain test.
Eighteen others average 80%.
What is the overall average of the thirty students as a percent? = 73%
