document.write( "Question 860845: Marge could clean the house in 5 hours.
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document.write( "Lisa could clean it in 3 hours.
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document.write( "How long will it take the both of them to clean the house? \n" );
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Algebra.Com's Answer #518655 by ben720(159)![]() ![]() ![]() You can put this solution on YOUR website! Marge's rate is 1 job/5 hours \n" ); document.write( "Lisa's rate is 1 job/ 3 hours \n" ); document.write( "Together their rate is 1/5+1/3 \n" ); document.write( " \n" ); document.write( "Find the least common denominator, which is 15 \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "Together, it will take them |