document.write( "Question 438791: 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 work together to complete it? \n" ); document.write( "
Algebra.Com's Answer #303336 by nerdybill(7384)![]() ![]() 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 work together to complete it? \n" ); document.write( ". \n" ); document.write( "Let x = time (days) it takes for all three \n" ); document.write( "then \n" ); document.write( "x(1/4 + 1/6 + 1/2) = 1 \n" ); document.write( "multiplying both sides by 12: \n" ); document.write( "x(3 + 2 + 6) = 12 \n" ); document.write( "x(11) = 12 \n" ); document.write( "x = 12/11 \n" ); document.write( "x = 1.09 days \n" ); document.write( "or \n" ); document.write( "x = 1 day, 2 hours and 11 minutes \n" ); document.write( " \n" ); document.write( " |