Betty has 3 red beads for every 2 blue beads that she has. How many blue beads does Betty have if she has 30 red beads?
Betty has 30/3 = <T>divide(30, 3)=10.0 sets of 3 red beads.
So, she has 10 x 2 = <T>multiply(10, 2)=20 blue beads.
