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Mathematics, 24.08.2021 03:40 siyah87

The Evans family and the Chang family each used their sprinklers last summer. The water output rate for the Evans family's sprinkler was per hour. The water output rate for the Chang family's sprinkler was per hour. The families used their sprinklers for a combined total of hours, resulting in a total water output of . How long was each sprinkler used

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The Evans family and the Chang family each used their sprinklers last summer. The water output rate...
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