document.write( "Question 1113365: The Scott family and the Parker family each used their sprinklers last summer. The water output rate for the Scott family's sprinkler was 25 L per hour. The water output rate for the Parker family's sprinkler was 40 L per hour. The families used their sprinklers for a combined total of 40 hours, resulting in a total water output of 1375 L. How long was each sprinkler used? \n" ); document.write( "
Algebra.Com's Answer #728386 by josgarithmetic(39627)\"\" \"About 
You can put this solution on YOUR website!
\r\n" );
document.write( "FAMILY        RATE         TIME       VOLUME\r\n" );
document.write( "Scott         25           40-t       25(40-t)\r\n" );
document.write( "Parker        40            t         40t\r\n" );
document.write( "Total                      40          1375\r\n" );
document.write( "
\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"25%2840-t%29%2B40t=1375\"\r
\n" ); document.write( "\n" ); document.write( "-\r
\n" ); document.write( "\n" ); document.write( "\"5%2840-t%29%2B8t=275\"\r
\n" ); document.write( "\n" ); document.write( "\"200-5t%2B8t=275\"\r
\n" ); document.write( "\n" ); document.write( "\"3t=75\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28t=25%29\"------hours, the Parker family
\n" ); document.write( "-
\n" ); document.write( "\"highlight%2815%29\"-------hours, the Scott family
\n" ); document.write( "
\n" );