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The Clark family and the Lee family each used their sprinklers last summer. The water output rate for the Clark family's sprinkler was 25L per hour. The water output rate for the Lee family's sprinkler was 15L per hour. The families used their sprinklers for a combined total of 50 hours, resulting in a total water output of 1100L . How long was each sprinkler used

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juan143
Each where used for 25 hours
Lee family used the sprinklers 30 times and the Clark family used there's 20 times or each was used for 25 hours

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