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Mathematics, 01.04.2020 06:41 delawdermia27

The average of 8, 13, X, and Y is 6. The average of 15, 9, X, and X is 8. What is the value of Y?

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The average of 8, 13, X, and Y is 6. The average of 15, 9, X, and X is 8. What is the value of Y?...
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