If Jackie were to paint her living room alone it would take five hours. Her sister Violet could do the job in six hours. How long would it take them working together?
find how much work they get done in 1 hour jackie takes 5 hours to do 1 room, so in 1 hour, she does 1/5 room voilet take 6 hours to do 1 room so in 1 hour, she does 1/6 room
together, they do 1/5+1/6 room in 1 hour make common denom 1/5+1/6=6/30+5/30=11/30 in 1 hour 11/30 times time=1 room times both sides by 30/11 time=30/11 hour time=2 and 8/11 hour that is about 2 hours and 44 mins
