Question

ruth found out that she can paint 1/4 room in 2/3 of an hour. how much of the room can she paint in one hour

Answer 1

remember
(a/b)/(c/d)=(a/b)(d/c)=(ad)/(bc)

amount /time
(1/4)/(2/3)=x/1
(1/4)/(2/3)=x
(1/4)(3/2)=
3/8 room in 1 hour