Question

to make 5 dinner rolls one third cup of flour is used how much flour is needed to make one dinner roll

Answer 1

1/3 ÷ 5 = 1/15 That's the amount of flour needed

Answer 2

5 = 1/3
So divide each side by 5
we get
1 = 1 / 15
Each roll needs 1 / 15 cups of flour