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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

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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5 votes
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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User Benzkji
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8.4k points

1 Answer

5 votes
He must earn a 91
85+49+67+83+91=375
375/5=75
answered
User Titi
by
7.2k points
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