Question

1. problem solving in january 2012, the u.s. population was about 313 million people. in january 2017, it was about 324 million. what was the average rate of population change per year?

Explanation:

Step1: Calculate total population change

$324 - 313 = 11$ million

Step2: Calculate number of years passed

$2017 - 2012 = 5$ years

Step3: Compute average annual rate

$\frac{11}{5} = 2.2$ million per year

Answer:

2.2 million people per year