SOLUTION: Bob working alone could complete a particular job in 4.5 hrs, and Jim could complete it alone in 3.7 hours. How long does it take to complete the job when they work together?

Algebra ->  Rate-of-work-word-problems -> SOLUTION: Bob working alone could complete a particular job in 4.5 hrs, and Jim could complete it alone in 3.7 hours. How long does it take to complete the job when they work together?      Log On


   

Question 1082623: Bob working alone could complete a particular job in 4.5 hrs, and Jim could complete it alone in 3.7 hours. How long does it take to complete the job when they work together?
Answer by ikleyn(52818) About Me  (Show Source):
You can put this solution on YOUR website!
.
1%2F%281%2F4.5+%2B+1%2F3.7%29 hours.

For details see the lesson
    - Using Fractions to solve word problems on joint work
in this site.

Also, you have this free of charge online textbook in ALGEBRA-I in this site
    - ALGEBRA-I - YOUR ONLINE TEXTBOOK.

The referred lesson is the part of this textbook under the topic "Rate of work and joint work problems" of the section "Word problems".