Relative Rates Work Word Problems
Review the Lesson | MATHguide homepage Updated April 7th, 2019

Waiting for your answers...

Answer the following work problem. Report your answers to the nearest tenth of a hour.

When Robert and Frank work together to complete a job it takes them 12 hours. However, when Frank works alone, it takes 4 hours longer than when Robert works alone.

How long would it take Robert and Frank to do the job if each of them works alone?

Robert's solo rate is hours.
Frank's solo rate is hours.