Mathematics, 22.11.2020 21:30 bellbradshaw16

Mira got a 71 and an 83 on her first two tests. If she wants her average to be exactly an 80, what would she need to get on her third test?

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Mira got a 71 and an 83 on her first two tests. If she wants her average to be exactly an 80, what w...

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