Question

Britney keeps track of the populations of various creatures near a lake. To estimate the dragonfly population, she captures 1,400 dragonflies and marks them with special paint. She releases them, waits a few days, and then captures 620 dragonflies. She notices that 62 of these dragonflies are marked. To the nearest whole number, what is the best estimate for the dragonfly population?

Answer 1

14,000

Explanation:

Based on the given conditions, formulate: 1400 x 620 ÷ 62

Cross out the common factor: 1400 x 10

Calculate the product or quotient: 14000

Find the closest integer: 14000

Answer: 14000