Question

The Martinez family and the Murphy family each used their sprinklers last summer. The water output rate for the Martinez family's sprinkler was
40L
per hour. The water output rate for the Murphy family's sprinkler was
35L
per hour. The families used their sprinklers for a combined total of
50
hours, resulting in a total water output of
1900L
. How long was each sprinkler used?

Answer 1

@math123001

Answer 2

@Mehek14