Mathematics for IGCSE & O level - Ratio And Proportion (Section 5 - No. 26)
On a map with a scale of 1:20,000, a distance of 7 cm represents how many kilometers in real life?
0.14 km
1.4 km
14 km
140 km
Explication
7 cm * 20,000 = 140,000 cm = 1400 m = 1.4 km