Question

In 2010, the population of a city was 50,000. From 2010 to 2015, the population grew by 8%. From 2015 to 2020, it fell by 5%. How much did the population grow from 2010 to 2015, to the nearest 100 people?

Answer 1

The population grew by 4000. so from 2010 being 50,000 to 2015 54,000.

Explanation:

8% of 50,000 is 4000, so knowing this you just add the 8% to the 50,000 of the 2010 population.