document.write( "Question 98216: Word Problem:\r
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document.write( "If John cleans a house in 8 hours and Julie cleans a similar house in 6 hours, how long should it take them to clean another similar house working together? \n" );
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Algebra.Com's Answer #71408 by ptaylor(2198) You can put this solution on YOUR website! Let x=amount of time it takes John and Julie to clean the house working together\r \n" ); document.write( "\n" ); document.write( "John cleans at the rate of 1/8 house per hour\r \n" ); document.write( "\n" ); document.write( "Julie cleans at the rate of 1/6 house per hour\r \n" ); document.write( "\n" ); document.write( "Together, they clean at the rate of (1/8+1/6) house per hour, or\r \n" ); document.write( "\n" ); document.write( "1/8+1/6 =3/24+4/24= 7/24 house per hour\r \n" ); document.write( "\n" ); document.write( "Now our equation to solve is:\r \n" ); document.write( "\n" ); document.write( "(7/24)x=24/24 (note: here 24/24 represents 1 house)\r \n" ); document.write( "\n" ); document.write( "7x=24 divide both sides by 7\r \n" ); document.write( "\n" ); document.write( "x=24/7 or 3 3/7 hours\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Hope this helps----ptaylor \n" ); document.write( " |