Mathematics
zoewhite1
11

The Collins family and the Ramirez family each used their sprinklers last summer. The water output rate for the Collins family's sprinkler was 20L per hour. The water output rate for the Ramirez family's sprinkler was 15L per hour. The families used their sprinklers for a combined total of 65 hours, resulting in a total water output of 1175L . How long was each sprinkler used?

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(1) Answers
am9529

you would write the two equations: 20x + 15y = 1175 x + y = 65  and solve so the answer is: 25

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