The Thompson family and the Carter family each used their sprinklers last summer. The water output rate for the Thompson family's sprinkler was 15L per hour. The water output rate for the Carter family's sprinkler was 40L per hour. The families used their sprinklers for a combined total of 70 hours, resulting in a total water output of 2050L.. How long was each sprinkler used?

Question

The Thompson family and the Carter family each used their sprinklers last summer. The water output rate for the Thompson family's sprinkler was 15L  per hour.   The water output rate for the Carter family's sprinkler was 40L  per hour. The families used their sprinklers for a combined total of  70 hours, resulting in a total water output of 2050L.. How long was each sprinkler used?

anonymous · Answer

Do you know how to solve systems of equations? c = carter, t = thompson
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