Mathematics for IGCSE & O level - Ratio And Proportion (Section 2 - No. 43)
On a map, 1 cm represents 20 km. If the distance between two towns is 7.5 cm on the map, what is the actual distance in kilometers?
2.6 km
27.5 km
140 km
150 km
Explanation
7.5cm * 20km = 150km
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