Mathematics for IGCSE & O level - Ratio And Proportion (Section 1 - No. 13)
If the scale on a map is 1:100,000 and the distance between two cities on the map is 5 cm, what is the actual distance in kilometers?
5 km
25 km
50 km
500 km
Explicação
1cm = 100,000cm. 5cm = 500,000cm, or 5km