A frog pond contained 27 adults at the beginning of spring. During the summer, 4 immigrated from a neighboring pond, 12 emigrated during the summer drought, 3 were eaten by brim, and 42 tadpoles hatched. What is the current population size of frogs in the pond?

Question

Quizplus · Accepted Answer

The initial population is 27. After immigration (+4) and emigration (-12), the population is 19. Subtracting the 3 eaten by brim gives 16 adults. Adding the 42 newly hatched tadpoles results in a total population of 58.

A Frog Pond Contained 27 Adults at the Beginning of Spring