Mathematics
Mathematics, 14.12.2019 05:31, zahid79

Skylar's grades on four math tests are 85, 78, 77, and 69. what does skylar need to score on the next test in order to have a mean score of 80?

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Skylar's grades on four math tests are 85, 78, 77, and 69. what does skylar need to score on the nex...

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