To find out how many finches the population grew by each year, we divide the total increase by the number of years.
Total increase = 75 finches
Number of years = 3 years
Therefore, the population grew by 75/3 = <<75/3=25>>25 finches each year. Answer: \boxed{25}.
The finch population in an area increased by 75 finches in 3 years. How many finches did the population grow by each year? (1 point)
1 answer