Question

A recipe calls for 2 cups of flour to make 24 cookies. write and solve a proportion to find how much flour is needed to make 54 cookies.

Answer 1

2 cups of flour          x cups of flour
––––––––––––   =   –––––––––––––
24 cookies                 54 cookies

cross multiply
2*54=24x
24x=108
x=4.5

4.5 cups of flour