document.write( "Question 204947: 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( "
Algebra.Com's Answer #154689 by Alan3354(69443)![]() ![]() 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( "Sam does 1/4 job per day. \n" ); document.write( "Lisa does 1/6 per day. \n" ); document.write( "Tom does 1/2 per day. \n" ); document.write( "Add those. \n" ); document.write( "1/4 + 1/6 + 1/2 = 11/12 \n" ); document.write( "Together, they do 11/12 of the job per day, so it takes 12/11 days. \n" ); document.write( "Together, 12/11 days. \n" ); document.write( " |