PLEASE ANSWER YOU'LL GET 25 POINTS (MATH BTW)! How much sugar will Roberta use to make 20 cookies?

Roberta wants to use Edwin’s recipe to make lots of cookies.

Edwins recipe: 1 stick butter 1/2 cup sugar 1/2 teaspoon vanilla 3 tablespoons milk 1/1 2 cups flour 2 teaspoon baking powder 1/4 teaspoon salt

Roberta has: 6 sticks butter 3 cups sugar 4 teaspoon vanilla 20 tablespoons milk
7 cups flour 10 teaspoons baking powder 2 teaspoons salt

the wrong answers just to get points and links and other stuff that is not answering this will be reported