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Mathematics, 25.04.2021 03:10 ericka79
The Rivera family and the Cook family each used their sprinklers last summer. The water output rate for the Rivera family's sprinkler was 40 per hour. The water output rate for the Cook family's sprinkler was20 per hour. The families used their sprinklers for a combined total of 65 hours, resulting in a total water output of 2000. How long was each sprinkler used?
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The Rivera family and the Cook family each used their sprinklers last summer. The water output rate...
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