Wednesday

April 16, 2014

April 16, 2014

Posted by **tammy** on Wednesday, January 7, 2009 at 6:38am.

A. 0.8 days

B. 1.09 days

C. 1.23 days

D. 1.65 days

E. 1.97 days

thanks.

- math -
**drwls**, Wednesday, January 7, 2009 at 7:37amFirst add the "jobs per day" rates of all three people.

1/4 + 1/6 + 1/2 = (3 + 2 + 6)/12 = 11/12 jobs per day

Then divide 1 job by 11/12 jobs/day to get the answer: 12/11 = 1.09 days

**Related Questions**

math - If Sam can do a job in 4 days that Lisa can do in 6 days and Tom can do ...

math - if sam can do a job in 4 days that lisa can do in 6 days and tom can do ...

adult education - If Sam can do a job in 4 days that Lisa can do in 6 days and ...

Math - If Sam can do a job in 4 days that Lisa can do in 6 days and Tom can do ...

math - If A can do a job in 6 days that V can do in 5 1/2 days and C can do in 2...

math - vanessa can do a job in 12 days. after she has worked for 4 days, she is ...

college problem solving 2 - Me and Bill said casey can do the job for you in 10 ...

Math(work problem) - A man can do the job in 8 days after 3 days of working a ...

Math - Hers is another one: 3 people requires 3 weeks and 2 days to do a job. ...

Algebra, URGENT!!! - 1) Mio can build a large shed in 15 days less than Yuuko ...