Question

Kiara baked 52 cookies with 4 scoops of flour. With 9 scoops of flour, how many cookies can Kiara bake? Assume the relationship is directly proportional.

Answer 1

117 cookies

Explanation:

52 ÷ 4 = 13

1 scoop of flour = 13 cookies

13 × 9 = 117

9 scoops of flour = 117 cookies

Answer 2

117 cookies

Explanation:

Using a ratio

52 cookies x cookies

-------------- = --------------

4 scoops 9 scoops

Using cross products

52*9 = 4x

Divide each side by 4

52*9/4 =x

117 cookies