document.write( "Question 1165834: The Mitchell family and the Bailey family each used their sprinklers last summer. The water output rate for the Mitchell family's sprinkler was 15L per hour. The water output rate for the Bailey family's sprinkler was 20L per hour. The families used their sprinklers for a combined total of 40 hours, resulting in a total water output of 675 L. How long was each sprinkler used? \n" ); document.write( "
Algebra.Com's Answer #790297 by ikleyn(52782)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "For a TWIN problem solved, see the lesson\r
\n" ); document.write( "\n" ); document.write( "    - The Robinson family and the Sanders family each used their sprinklers last summer\r
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\n" ); document.write( "\n" ); document.write( "Consider it as your TEMPLATE and solve your problem in the same way.\r
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