You have a cookie recipe that calls for 1/3 cup of sugar. You want to make 3 times as many cookies by tripling the recipe. How much sugar will you need?

You will need 1 cup of sugar

Step-by-step explanation:

1/3*3/1=3/3=1

56.6

step-by-step explanation:

the ratio of the perimeters is equal to the scale.

the ratio of the areas is equal to the square of the scale.

34 / 20 = k

a / 19.6 = k²

substituting:

a / 19.6 = (34 / 20)²

a = 19.6 (34 / 20)²

a ≈ 56.6