document.write( "Question 289955: I am having trouble with this word problem and wondering if someone could help me figure it out. \r
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document.write( "Working together, Rick and Juanita can complete a job in 6 hours. It would take Rick 9 hours longer than Juanita to do the job alone. How long would it take Juanita alone?\r
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document.write( "I've tried it a couple different ways, but never get the right answer. I know the answer is 9 hours...HELP! :) \n" );
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Algebra.Com's Answer #209900 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "So where is your work? You didn't really do it. No surprise. \n" ); document.write( "6/(x)+6/(x+9)=1 \n" ); document.write( "(6*(x+9)+6x)/x^2+9x=1 \n" ); document.write( "6x+54+6x=x^2+9x \n" ); document.write( "12x+54=x^2+9x \n" ); document.write( "0=x^2-3x-54 \n" ); document.write( "0=(x-9)*(x+6) \n" ); document.write( "x=9 \n" ); document.write( "x=-6 \n" ); document.write( "can not have neg time \n" ); document.write( "x=9 \n" ); document.write( "6/9+6/18 \n" ); document.write( "2/3+1/3=1 \n" ); document.write( "Juanita does 2/3 and Rick does 1/3 \n" ); document.write( " \n" ); document.write( " |