Question

The cookie recipe needs 3/4 cups of sugar and 1/8 cup of butter. Alice puts in 1 cup of butter by mistake. How much sugar will be needed?

Answer 1

Let's set up a proportion.

Let s = sugar

(1/8)/1 = (3/4)/s

(3/4) = s/8

(3/4)(8) = s

6 cups = s