Question

Tracey’s cookie recipe required 1/20 of a cup of sugar for each ½ of a cookie. How much 2) __ ____ sugar did she need per cookie?

Answer 1

1/10 cup of sugar

Explanation:

½ of a cookie uses 1/20 cup of sugar

1 cookie is 2 times ½ of a cookie, so 1 cookie needs 2 times 1/20 of a cup.

2 × 1/20 = 2/1 × 1/20 = 2/20 = 1/10

Answer: 1/10 cup of sugar