Question

A population of rodents contained 703 individuals at the end of march. During the month of april, 47 died, 17 were born, 57 immigrated, and 16 emigrated. What was the population size after those events?

Answer 1

Your equation is 703 - 47 + 17 - 57 + 16. 703 - 47 = 656. 656 + 17 = 673. 673 - 57 = 616. 616 + 16 = 632. 632 population.