Scale of the map

Determine the scale of the map if the actual distance between A and B is 720 km and the distance on the map is 20 cm.

Correct answer:

M =  3600000

Step-by-step explanation:

$$\begin{gathered} M=1:X \\ X=720\cdot 1000\cdot 100cm\mathrm{/}20cm \\ X=3600000 \\ M1:3600000 \end{gathered}$$

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