Mathematics, 02.09.2020 01:01, dinarussell74

Clarissa has taken 4 tests (100 points each) and has an average of 82.5 What score does she have to get on the next test in order to bring her average up to 85?

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Clarissa has taken 4 tests (100 points each) and has an average of 82.5 What score does she have to...