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March 30, 2015

Homework Help: working with data

Posted by mike on Sunday, February 24, 2008 at 4:45pm.

josephs final averages in science class are shown in the table below.

homework
% toward final grade-20%
average-93

quizzes
% toward final grade-20%
average-92

tests
% toward final grade-40%
average-85

final exam
% toward final grade-20%
average-?


what is the minimum score joseph can get on the final exam in order to receive at least 90 for his final grade?

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