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OpenStudy (spareb665):
The percentage score in a face to face class varies directly according to the number of classes attended. Rima receives 80% for attending 56 classes. How many classes should Rima have attended to receive 90%?
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OpenStudy (anonymous):
80/ 56=1.42 so each class counts as 1.42% 90/1.42=63 so Rima would need 63 classes
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