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davids math grades are 85 49 67 and 83 on 4 tests. what grade must he earn on the next test to have a mean of 75
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davids math grades are 85 49 67 and 83 on 4 tests. what grade must he earn on the next test to have a mean of 75

User Benzkji
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1 Answer

5 votes
He must earn a 91
85+49+67+83+91=375
375/5=75
User Titi
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