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LenKa [72]
2 years ago
15

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 w

ill be 80?​
Mathematics
1 answer:
skelet666 [1.2K]2 years ago
5 0

Answer:

77%

Step-by-step explanation:

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

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