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Mathematics, 24.06.2019 10:10 ashleymspears
The miller family and the washington family each used their sprinklers last summer. the water output rate for the miller family's sprinkler was 30 l per hour. the water output rate for the washington family's sprinkler was 15 l per hour. the families used their sprinklers for a combined total of 70 hours, resulting in a total water output of 1650 l . how long was each sprinkler used?
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The miller family and the washington family each used their sprinklers last summer. the water output...
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