document.write( "Question 148602: . If Sam can do a job in 4 days that Lisa can do in 6 days and Tom can do in 2 days, how long would the job take if Sam, Lisa, and Tom worked together to complete it? \r
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document.write( "A. 0.8 days
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document.write( "B. 1.09 days
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document.write( "C. 1.23 days
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document.write( "D. 1.65 days
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document.write( "E. 1.97 days \r
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Algebra.Com's Answer #108954 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! If Sam can do a job in 4 days, that Lisa can do in 6 days, and Tom can do in 2 days, how long would the job take if Sam, Lisa, and Tom worked together to complete it? \n" ); document.write( "; \n" ); document.write( "Let x = time required when all work together \n" ); document.write( ": \n" ); document.write( "Let the completed job = 1 \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( "Multiply equation by 12 and you have:: \n" ); document.write( "3x = 2x + 6x = 12 \n" ); document.write( ": \n" ); document.write( "11x = 12 \n" ); document.write( "x = \n" ); document.write( "x = 1.09 days \n" ); document.write( " \n" ); document.write( " |