SOLUTION: If Wanda were to paint her living room alone, it would take 2 hours. Her sister Patricia could do the job in 4 hours. How long would it take them working together? If needed, submi

Algebra ->  Rate-of-work-word-problems -> SOLUTION: If Wanda were to paint her living room alone, it would take 2 hours. Her sister Patricia could do the job in 4 hours. How long would it take them working together? If needed, submi      Log On

Their combined rate of work is    =   of the job per hour.


Therefore, the time required is    of an hour, which is  45 minutes.   ANSWER