A map is drawn to the scale $1 : 2{,}50{,}000$. Two towns are 6.4 cm apart on the map. What is the actual distance between them?

Explanation

1. 01

   Actual distance = $6.4 \times 2{,}50{,}000$ cm = 16,00,000 cm.

2. 02

   1 km = 1,00,000 cm, so the distance = $16{,}00{,}000 \div 1{,}00{,}000 = 16$ km.