RachelSReid08 RachelSReid08

14-05-2020
Mathematics

contestada

Elyse has earned scores of 87, 91, 90, and 85 on her first four math tests. If she wants to have a mean of 90, what must she earn on the fifth test?

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14-05-2020

Answer:

97

Step-by-step explanation:

90 x 5 = 400

400-87-91-90-85=97

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