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March 28, 2015

Homework Help: math ( average)

Posted by sasha on Thursday, October 18, 2007 at 9:01pm.

a student wants to get an average of 80 on the 5 tests to earn an A grade.on the 4 test he gets 79, 88,64,78. how much should he score on the 5th test so that he gets this average of 80?

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