Question

Can anyone help me with an algebra word problem?

The Thomas family and the Sanders family each used their sprinklers last summer. The Thomas family’s sprinkler was used for 20 hours. The Sanders family’s sprinkler was used for 25 hours. There was a combined total out put of 1675 L of water. What was the water output rate for each sprinkler if the sum of the two rates was 75 L per hour.

Thomas family’s sprinkler: ___ L per hour

Sanders family’s sprinkler: ___ L per hour