Posted by **Brian** on Thursday, April 16, 2009 at 7:17pm.

jose can complete the job in a hours, and Maria can complete the job in b hours. How long does it take them to complete the job when they work together? I need a formula

## Answer This Question

## Related Questions

- Math - Alice can complete a certain job in 5 hours she had been working on the ...
- math - Alex takes 3 hours longer to complete a certain job than Barry does. If ...
- math - if you do a job in 4 hours, and your friend can do the same job but in 6 ...
- SAT Math Question? - Lindsey and Stephen work at a factory. Lindsey can complete...
- College Algebra - It takes Todd 3 hours longer than Tom to paint a 4x5 feet ...
- College Algebra - Tammy can do a certain job in 6 hours. Kris can do the same ...
- algebra - Sammy can complete a programming job in 8 hours if he works alone. ...
- college algebra - sammy can complete programming job in 8 hours alone. marilyn ...
- MATH - An application of a rational function is T = (AB)/(A+B), which gives the...
- Math - an irrigation pump can do a job 3 times faster than another. If the y ...

More Related Questions