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Mathematics, 07.07.2021 18:00 foralways3348
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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