A carpenter worked alone for 1 day on a job that would take him 4 more days to finish. He and another carpenter completed the job in 2 more days. How many days would it have taken the second carpenter to do the complete job working alone? Choose the correct choice:
A) 5	B) 7	C) 9	D) 14	E) 24
A carpenter worked only 1 day on something that takes him 4 MORE days.   Means;   Carpenter finishes his work in 5 days.   Let his buddy finish the same task in x days.   Respective rates per day:   1/5 AND 1/x   To complete 1 work:   First guy worked for 3 days @ rate=1/5 per day.   Second one worked for 2 days @ rate=1/x per day   Expression:   Days*Rate=Work   3*1/5+2*1/x=1   3x+10=5x   2x=10   x=5 days.   5ns:5
<result>A</result>
A carpenter worked alone for 1 day on a job that would take him 4 more days to finish. He and another carpenter completed the job in 2 more days. How many days would it have taken the second carpenter to do the complete job working alone?