Answer:
10 squirrels/ square mile
Step-by-step explanation:
Population density can be found by dividing the number of individuals by the area of the land they live in.
population/ land area
We want to find the population density for 40 squirrels that live in 4 square miles. Therefore, the population is 40 squirrels and the area of the land is 4 square miles.
population / land area
40 squirrel/ 4 square miles
Divide 40 by 4
40/4=10
10 squirrels/ square mile
The population density is 10 squirrels per square mile.