Mathematics, 25.11.2020 19:00, ketricduggerp2ciuc

The Tanaka family and the Butler family each used their sprinklers last summer. The water output rate for the Tanaka family’s sprinkler was 20L per hour. The water output rate for the Butler family’s sprinkler was 40L per hour. The families used their sprinklers for a combined total of 45 hours, resulting in a total water output of 1200L. How long was each sprinkler used?

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The Tanaka family and the Butler family each used their sprinklers last summer. The water output rat...