On a map, 3 centimeters represents 33 kilometers. Two cities 209 kilometers apart would be separated on the map by how many centimeters?
Select:
A) 19 B) 7 C) 13 D) 110 E) 180

Rationale: "1 centimeter represents 11 kilometers ( 33 / 3 ) x = 209 / 11 = 19 answer : a"
Answer: A