document.write( "Question 472088: Hi there and thanks in advance. Betty and Karen working together can paint a house in two-thirds time it takes Karen working alone. Betty takes 6 hours to paint a house alone. How long does it take Karen to paint a house working alone?\r
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document.write( "I know the usually way to solve these but the 2/3 part is screwing me up. \n" );
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Algebra.Com's Answer #323701 by jorel1380(3719)![]() ![]() You can put this solution on YOUR website! (2/3)(1/6+1/n)=1/n \n" ); document.write( "2/18+2/3n=1/n \n" ); document.write( "1/9+2/3n=1/n \n" ); document.write( "n+6=9 \n" ); document.write( "n=3 \n" ); document.write( "It takes Karen 3 hours working alone to paint a house \n" ); document.write( "1/6+1/3=1/6+2/6=3/6=1/2 \n" ); document.write( "2/3X1/2=1/3.. \n" ); document.write( " |