for 1 1/3 cup of flour to make 24 cookies. If Joseph needs to increase the recipe to make 27 cookies for his class, how much flour will he need?

Question

Steps to increase ingredients in cookie recipe.

Answer 1

you can set up a proportion

(1 1/3)/24 = n/27

cross multiply

24n=(1 1/3)(27)

24n=(4/3)(27)

24n=36

n=36/24

n=1 1/2 cups of flour

or,...

4/3 cups for 24 cookies

(4/3)/24=(4/3)(1/24)=4/72=1/18 cup per cookie

(1/18)(27)=27/18=3/2=1 1/2 cups again