Mathematics for IGCSE & O level - Ratio And Proportion (Section 2 - No. 14)
A map has a scale of 1:20,000. Two points are 5cm apart on the map. What is the actual distance between these points?
1 km
0.1 km
0.01 km
100 km
Explanation
5*20000=100000 cm or 1km
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