A recipe for chocolate chip cookies makes 4 dozen cookies and calls for the following ingredients:

1 1/2 cup margarine
1 3/4 cup sugar
2 teaspoon vanilla
3 1/4 C flour
1 teaspoon baking powder
1/4 teaspoon salt
8 oz chocolate chips
How much of each ingredient is needed to make 3 recipes?
How much of each ingredient is needed to make 3/4 of a recipe?