On a map with a scale of 1 : 100000, two towns are 3 cm apart. What is the real distance between them?
Answer and explanation
Correct answer: C. 3 km
- Step 1: 1 cm on the map is 100000 cm on the ground.
- Step 2: 3 x 100000 = 300000 cm = 3 km.
Answer
3 km.
Why not the others: 3000 km: the distance was converted from centimetres to metres instead of kilometres. 0.03 km: the scale was inverted. 30 km: the decimal point is misplaced.
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