It takes 2 people 6 hrs to make 16 dozen cookies. When making 16 dozen cookies, how long will it take 1 person? How about 4 people? What type of relationship is this?

Question

Draw a strip diagram to help you solve this problem. Show all work and explain your reasoning.

Answer 1

16 doz need 12 people hours

One person working would need 12 hours (1 x 12)

Four people working would need 3 hours (3 x 4)

The relationship in inverse.

As the number of people decrease the amount of time increases.