document.write( "Question 103122: If it takes Ron to do a job alone in 3 days and his assistant 6 days alone, how many days would it take them if they did it together? \r
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document.write( "I know I need to break it down per day but I can't figure it out \n" );
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Algebra.Com's Answer #74971 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! If it takes Ron to do a job alone in 3 days and his assistant 6 days alone, how many days would it take them if they did it together? \n" ); document.write( "----------- \n" ); document.write( "Ron DATA: \n" ); document.write( "Time = 3 day/job ; Rate = 1/3 job/day \n" ); document.write( "-------------------------- \n" ); document.write( "Assistant DATA: \n" ); document.write( "Time = 6 day/job ; Rate = 1/6 job/day \n" ); document.write( "-------------------------- \n" ); document.write( "Together DATA: \n" ); document.write( "Time = x days/job ; Rate = 1/x job/day \n" ); document.write( "------------------------------------ \n" ); document.write( "EQUATIOn: \n" ); document.write( "rate + rate = rate together \n" ); document.write( "1/3 + 1/6 = 1/x \n" ); document.write( "Multiply thru by 6x to get: \n" ); document.write( "2x + x = 6 \n" ); document.write( "3x = 6 \n" ); document.write( "x = 2 days (time to do the job together) \n" ); document.write( "================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |