working with data
posted by mike .
josephs final averages in science class are shown in the table below.
homework
% toward final grade20%
average93
quizzes
% toward final grade20%
average92
tests
% toward final grade40%
average85
final exam
% toward final grade20%
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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