Mathematics for IGCSE & O level - Ratio And Proportion (Section 1 - No. 19)
A map has a scale of 1:50,000. The distance between two points is 4 cm on the map. What is the actual distance in kilometers?
2 km
0.8 km
0.2 km
20 km
解释
4cm * 50000 cm = 200000cm or 2 km