Question

A researcher, studying dolphins in the wild, made the following sketch. Each dot on the map represents one dolphin. The area surveyed by the scientist was 1 km2. Based on the researcher’s data, how many dolphins would you estimate to be in a 3 km2 area?
A. 3
B. 7
C. 14
D. 21

Answer 1

The answer is 21. Just do 3•7 and you get 21.

Answer 2

It’s D)21 (3x7=21)

(did the assignment)