Question

A recipe for 2 1/2 dozen cookies calls for 1 7/8 cups of flour. How many cups of flour are needed to make 1 1/3 dozen cookies?

Answer 1

Let x be unknown cup of flour.this is a direct proportion: 2.5 dozens/(15/8)=K,K=30/(15/8)=16,1/3 dozens/X=16,Find x