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The average of your first three test grades is 78. what grade must you get on your fourth and final test to make your average 80?

The average of your first three test grades is 78. what grade must you get on your fourth and final test to make your average 80?
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3 votes
The average of your first three test grades is 78. what grade must you get on your fourth and final test to make your average 80?

asked
User Simas
by
8.0k points

1 Answer

4 votes
You need to score 86
answered
User Gabriel Slomka
by
8.6k points
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