document.write( "Question 1121267: The Tran family and the Moore family each used their sprinklers last summer. The water output rate for the Tran family's sprinkler was 25 L per hour. The water output rate for the Moore family's sprinkler was 35 L per hour. The families used their sprinklers for a combined total of 55 hours, resulting in a total water output of 1675 L.How long was each sprinkler used? \n" ); document.write( "

Algebra.Com's Answer #737096 by josgarithmetic(39630) $\"\"$ $\"About$

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Constant water usage rates
\n" ); document.write( "y, water used
\n" ); document.write( "r, constant rate in L per Hour
\n" ); document.write( "x, time in hours\r
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\n" ); document.write( "\n" ); document.write( " $\"r=y%2Fx\"$ or $\"rx=y\"$ \r
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document.write( "FAMILY      RATE       TIME         VOLUME\r\n" );
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document.write( "TRAN         25         55-x        25(55-x)\r\n" );
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document.write( "MOORE        35          x           35x\r\n" );
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document.write( "TOTAL                    55          1675\r\n" );
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\n" ); document.write( "This arrangement of data shows $\"25%2855-x%29%2B35x=1675\"$ .\r
\n" ); document.write( "\n" ); document.write( "Solve for x and evaluate 55-x. \n" ); document.write( "

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