In a certain population of rabbits, 25 new rabbits are born and five move into the population from surrounding areas during a single year. However, 10 rabbits die, and five leave the population during the same time frame. What is the population change for that year?

Question

Quizplus · Accepted Answer

The population change is calculated by subtracting the number of rabbits leaving the population (10) and subtracting the number of rabbits joining the population (5+25=30). Therefore, the population change is -10+30 = 20. A positive population change means that the population increased, so the population increased by 20 rabbits. Therefore, the answer is choice C.

In a Certain Population of Rabbits, 25 New Rabbits Are