SOLUTION: Cecelia takes 4 hours to do a job, it takes Aaron 6 hours to do the same job. How long will it take them working together to do the job?

Algebra ->  Customizable Word Problem Solvers  -> Numbers -> SOLUTION: Cecelia takes 4 hours to do a job, it takes Aaron 6 hours to do the same job. How long will it take them working together to do the job?      Log On