SAT Math Multiple Choice Practice Question 599: Answer and Explanation
The populations and areas of five countries are shown in the graphs above. If population density is defined as , which of the five countries has the highest population density?
Correct Answer: A
A The top graph is of the countries' populations, and the bottom graph is of the countries' areas. Find the population density, , for each country by taking its number from the top graph and dividing that by its number from the bottom graph:
The highest value among the countries is that of Ecuador, answer A.