document.write( "Question 1034509: Can someone please help me solve this work word problem?\r
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document.write( "Tom and Sam can finish a plowing job in two hours. Tom working alone can do the job in 7 hours. How long would it take Sam to finish the same job alone?\r
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document.write( "Any help would be appreciated. \n" );
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Algebra.Com's Answer #649170 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Tom and Sam can finish a plowing job in two hours. Tom working alone can do the job in 7 hours. How long would it take Sam to finish the same job alone? \n" ); document.write( "----- \n" ); document.write( "together rate:: 1/2 job/hr \n" ); document.write( "---------------------- \n" ); document.write( "Tom's rate:: 1/7 job/hr \n" ); document.write( "Sam's rate:: 1/x job/hr \n" ); document.write( "------------------------------ \n" ); document.write( "Equation: \n" ); document.write( "rate + rate = together rate \n" ); document.write( "1/x + 1/7 = 1/2 \n" ); document.write( "------------------------- \n" ); document.write( "14 + 2x = 7x \n" ); document.write( "5x = 14 \n" ); document.write( "x = 2.8 hrs = 2hr 48 min (time for Sam to do the job alone) \n" ); document.write( "------------ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |