Question

According to the 2000 Census the population of Canton was 7,720. The population of Holly Springs was 3,200. Canton's population increases at a rate of 80 people a year and Holly Spring's population increases at 120 people a year. In how many years will the populations be equal?

Answer 1

It will take 113 years.

Explanation:

Answer 2

It will take 113 years. I did this the long way by multiplying each rate by the same number, and I eventually got 113.