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Marat540 [252]
3 years ago
14

A student earns scores of 80, 87, and 82 on the first three of four tests. If the student wants to achieve a quiz average of 85,

what score must she achieve on the last quiz?
Mathematics
1 answer:
aleksandrvk [35]3 years ago
5 0

Answer:

91

Step-by-step explanation:

85= \frac{80+87+82+x}{4} then multiply the 4 over and subtract 80, 87, and 82 to find x which gives you 91

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