a cookie recipe uses 3 cups of flour to make 15 cookies. How many can you make with this recipe with 4 cups of flour?

20 cookies

Step-by-step explanation:

we are given that

three cups of flour is used to make 15 cookies

3 cups of flour is used to make=15 cookies

one cup of flour will be used used to make 15/3 cookies that will be 5

1 cup of flour is used to make = 15/3=5

for 4 cups of flour we will multiply 4 on both sides

hence t will give

4 cup of flour is used to make = 5*4=20 cookies

So,

According to recipe 4 cup of flour is used to make 20 cookies