document.write( "Question 1189729: The Smith family and the Cooper family each used their sprinklers last summer. The Smith family's sprinkler was used for 15 hours. The Cooper family's
\n" ); document.write( "sprinkler was used for 25 hours. There was a combined total output of 1075 L of water. What was the water output rate for each sprinkler if the sum of the two
\n" ); document.write( "rates was 55 L per hour?
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Algebra.Com's Answer #821165 by Boreal(15235)\"\" \"About 
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x L/h Smith so 15x L
\n" ); document.write( "55-x L/h Cooper so 25(55-x) L
\n" ); document.write( "they add to 1075 L
\n" ); document.write( "15x+1375-25x=1075
\n" ); document.write( "-10x=-300
\n" ); document.write( "x=30 L/hr Smith for 450 L
\n" ); document.write( "55-x=25 L/hr Cooper for 625 L
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