Question

The scale of a map is $1:300000$. What is the distance between two towns if they are $3.5$ cm apart on the map?

Answer 1

Let length on map be $l$

and original lngth be $L$

Scale$=\frac{l}{L}=\frac{3.5}{L}$

$⟹L=3.5\times 3\times {10}^5=10.5km$