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Gloria scored 75, 76, and 77 on the first three math tests. What score does she need on test #4 so that the mean of her scores will be 80?​
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4 votes
Gloria scored 75, 76, and 77 on the first three math tests. What score does she need on test #4 so that the mean of her scores will be 80?​

User AndyPerfect
by
4.4k points

1 Answer

3 votes

Answer:

77%

Explanation:

(75+76+77+80) / 4 = 77

User Damien Keitel
by
4.6k points
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