A population of moose on avalon peninsula numbered 80 individuals in 2013. in the next year, 21 individuals were born, 12 died, 7 emigrated out of the peninsula and 6 immigrated in. the population thus grew by ____.
Accepted Solution
A:
The population grew by 8, or 10%.
The gains from births and immigrating in were 21+6=27. The losses from deaths and emigrating out are 12+7=19. (Since it is a loss, it will be -19.)