Question

The starting line for a race in Douglas is 9 kilometers from the finish line. On a map of the course, the starting and finish lines are 3 centimeters apart. What scale does the map use?Write your answer as a decimal or whole number.1 centimeter =

Answer 1

In this problem, we have that

distance on a map is 3 cm

distance in the actual is 9 km

the scale of the map is

3 cm/9 km

simplify

1 cm/3 km

therefore

the answer is

1 cm : 3 km