SOLUTION: if jane paints a house in 4 hours and john paints the same house in 6 hours how long will it take them both to paint the house?

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: if jane paints a house in 4 hours and john paints the same house in 6 hours how long will it take them both to paint the house?      Log On


   

Question 273377: if jane paints a house in 4 hours and john paints the same house in 6 hours how long will it take them both to paint the house?
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


If A can do a job in x time periods, then A can do of the job in 1 time period. Likewise, if B can do the same job in y time periods, then B can do of the job in 1 time period.

So, working together, they can do



of the job in 1 time period.

Therefore, they can do the whole job in:



time periods.


John