The area of South America is approximately 1.78 × 107 square kilometers. Its population is approximately 3.50 × 108 people. What
is the approximate population density (people per square kilometer) of South America? Write your answer in standard form. If necessary, round your answer to the nearest hundredth. A: 19.66 people/km^2
You find the lowest common denominator of both fractions, which in this case is 24. 1/6 is equivalent to 4/24 and 1/8 is equivalent to 3/24. 4/24 + 3/24 = 7/24
