You need 1 1/4 cups of sugar to make 20 cookies. to make 16 cookies, how many cups of sugar will you need?

We need 1 cup of sugar to make 16 cookies.

Step-by-step explanation:

To solve this question we can use the Rule of Three technique to find out how many cups we would need for 16 cookies. We can use this technique because we are given three values and one variable and the two sets are a ratio of one another. The technique is shown in the picture below.

1    ⇒   20 cookies

 x    ⇒   16 cookies

We need 1 cup of sugar to make 16 cookies.

correct answer:

i^31 = -i