Respuesta :

(84-60/60) x 100 (new population-original population / original)  x 100 =40% growth

Based on the number of racoons the researchers found a year later, the annual population growth rate was 40%.

What was the growth rate?

This can be found by the formula:

= (New population - Old population) / Old population x 100%

Solving gives:

= (84 - 60) / 60 x 100%

= 40%

Find out more on population growth rates at https://brainly.com/question/25630111.