Arecipe for cookies requires 2/3 cup of butter. anna wants to make 1/4 of the recipe. how many cups of butter should anna use to make the cookies? you must

For this case we must raise a rule three:

1 recipe -----------------------> butter

recipe -------> x

Where the variable "x" represents the amount of butter that requires a quarter of the cookie recipe.

So, Anna requires cup of butter

A group consists of five men and seven women. six people are selected to attend a conference.

a. in how many ways can six people be selected from this group of twelve​?

(12 over 6) = 924

b. in how many ways can six women be selected from the seven ​women?

(7 over 6) = 7

c. find the probability that the selected group will consist of all women.

7 / 924 = 1/132 = 0.007576