Question

The scale of a road map indicates that 4 cm is equal to 30 km. How do you calculate the distance between two cities if the road between them is 10 cm long?

Answer 1

The distance between two cities is `75` `kms.`

Explanation:

As a road of `4` `cm.` on road map indicates a road of length equal to `30` `km.`

Each `cm.` on map indicates `30/4=7.5` `kms.`

Hence a distance of `10` `cm.` between two cities on the map indicates

`7.5xx10=75` `kms.`