The Richardson family and the Johnson family each used their…The Richardson family and the Johnson family each used their sprinklers last summer. The water output rate for the Richardson family’s sprinkler was20Lper hour. The water output rate for the Johnson family’s sprinkler was25Lper hour. The families used their sprinklers for a combined total of75hours, resulting in a total water output of1700L.How long was each sprinkler used?Math Algebra MATH 2270

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