There are 600 old-growth trees in a forested area measuring 100 acres. A biologist calculates a unit rate based on the data that was collected. Determine what conclusion the biologist can make about the forest.

Responses:
There is not enough information to determine the number of trees per acre.
The forest has 6 old-growth trees per acre.
The forest has 1 old-growth tree per acre.
The forest loses 6 old-growth trees per 100 years.

The biologist can determine that the forest has 6 old-growth trees per acre.