Question

The population of a country has been decreasing for several decades. In​ 1990, the population was about 122 million people. In​ 2010, the population was about 113million people. Determine the percent decrease in the​ country's population during this time period.

Answer 1

About a 7.3 percent Decrease

Explanation:

First, calculate the diffrence between the two numbers:

122-113=9

Then, divide this number by the original number, it being 122, and then multiply that number by 100.

the simplified version of this number to the tenths place is 7.38%