The population of the town was 25,000 people. then 3,200 people moved away. what was the percent of increase?

-12.8%

Step-by-step explanation:

To calculate the percent decrease, we:

The population of the town originally had 25,000. 3,200 people moved away. This means that the new population is 21,800.

The towns population decreased by 12.8%.

because linear equations are a lot simpler than quadratics equations, and linear equations formula is a lot easier to memorize. that's why i think they're harder.