Question

what is the rate for 4 pounds in 20 years what is the unit rate for 1 year

Answer 1

4 pounds in 20 years

Divide to find how much per year. 

4/20 = 1/5

1/5 pounds per year

Answer: 1/5 pounds per year

Answer 2

4 pounds/ 20 years= 0.2 pounds/year.

The unit rate is 0.2 pounds per year.