Mathematics, 09.10.2019 03:00 webbjalia04
The collins family and the jones family each used their sprinklers last summer. the water output rate for the collins family's sprinkler was 40l per hour. the water output rate for the jones family's sprinkler was 20l per hour. the families used their sprinklers for a combined total of 55 hours, resulting in a total water output of 1600l . how long was each sprinkler used?
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The collins family and the jones family each used their sprinklers last summer. the water output rat...
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