Civil Service Exam Reviewer · Ratio and Proportion · medium
On a map, 1 cm represents 20 km. Two towns are 2 cm apart on the map. What is the actual distance?
- 0.1 km
- 22 km
- 400 km
- 40 km
Answer
D. 40 km
Solution
2 cm × 20 km/cm = 40 km.
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