document.write( "Question 384478: If Harry can do a job in 2 days, and Sally can do the job in 4 days, and Henry can do the job in 6 days how long it will take to do the job if they all work on it at the same time?
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document.write( "How would you set up the equation to solve this problem? \n" );
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Algebra.Com's Answer #272179 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! If Harry can do a job in 2 days, and Sally can do the job in 4 days, and Henry can do the job in 6 days how long it will take to do the job if they all work on it at the same time? \n" ); document.write( "--- \n" ); document.write( "Harry rate is 1/2 job/day \n" ); document.write( "Sally rate is 1/4 job/day \n" ); document.write( "Henry rate is 1/6 job/day \n" ); document.write( "--- \n" ); document.write( "Together rate is 1/x job/day \n" ); document.write( "----------------------------------- \n" ); document.write( "Equation: \n" ); document.write( "rate + rate + rate = together rate \n" ); document.write( "--- \n" ); document.write( "1/2 + 1/4 + 1/6 = 1/x \n" ); document.write( "---- \n" ); document.write( "6x + 3x + 2x = 12 \n" ); document.write( "11x = 12 \n" ); document.write( "x = 12/11 = 1 1/11 days (time reqrd to do the job together) \n" ); document.write( "================================ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |