Question

The Rogers family and the Gonzales family each used their sprinklers last summer. The Rogers family's sprinkler was used for 15 hours. The Gonzales family's sprinkler was used for 25 hours. There was a combined total output of 825L of water. What was the water output rate for each sprinkler if the sum of the two rates was 45L per hour?

Answer 1

the water output rate for the Rogers family's sprinkler was 30L per hour.