On a line graph, time is usually represented on the vertical axis. true or false?

Given:

A city's population has increased 40% in the last 5 years and is now 53,782 people.

To find:

The population 5 years ago.

Solution:

Let x be the population 5 years ago.

A city's population has increased 40% in the last 5 years.

So, present population is

It is given that the present population is 53782.

Therefore, the population 5 years ago was about 38416.