Question

The distance between 2 cities is 120km. If the map scale is 1 : 800 000, find the distance between those 2 cities on the map ( in cm )


Bantu

Answer 1

The distance between those 2 cities on the map is 15 cm.
 

Explanation

Scale (map)

Given:

• The distance between 2 cities is 120 km.
• The scale of the map is 1 : 800000.

Let be the “real“ distance, be the scale factor of the map, and be the scaled distance on the map.

Thus:

Solving it for :

 

CONLUSION

∴  The distance between those 2 cities on the map is 15 cm.