The Cox family and the Cook family each used their sprinkers last summer. The water output rate for the Cox family's sprinkler was 35 L per hour. The wateroutput rate for the Cook family's sprinkler was 40 L per hour. The familles used their sprinklers for a combined total of 65 hours, resulting in a total wateroutput of 2475 L How long was each sprider used?Note that the ALEKS graphing calculator can be used to make computations easier.
