alleryA map scale says 1 cm stands for 5 km. Two towns are 4 cm apart on the map. How far apart are they?
A1.25 km
B9 km
C40 km
D20 km
Answer & Solution
Correct answer: D. 20 km
1. The scale is the ratio of map distance to ground distance.
2. Each 1 cm on the map is 5 km on the ground.
3. 4 cm on the map is 4 x 5 = 20 km on the ground.
4. The value 9 comes from adding and 1.25 from dividing by mistake.
_Source: Wikipedia, Scale (map) (CC BY-SA 4.0), Scale (map)_
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