Question 136243
If Chad can paint a room in 2 hours, he can paint 1/2 room per hour.  Cassie can then paint 1/3 room per hour.


Together, they can paint {{{1/2+1/3=3/6+2/6=5/6}}} room per hour.   So together they can paint one room in {{{6/5}}} hour.  {{{6/5}}} is 1 and 1/5.  1/5 hour is {{{60/5=12}}} minutes.  So working together, they can paint the room in 1 hour and 12 minutes.