If the scale drawing of a map is \( \mathbf{1 : 4,\!000,\!000} \) and the real distance between two cities is \( \mathbf{350\ km} \), find the distance between the two cities on the map.
\[ \text{Scale drawing} = \frac{\text{distance on the map}}{\text{real distance}} \]
\[ \frac{1}{4,\!000,\!000} = \frac{\text{distance on the map}}{350 \times 100,\!000} \]
\[ \text{The distance on the map} \]
\[ = \frac{35,\!000,\!000}{4,\!000,\!000} = \mathbf{8.75\ cm} \]
MR/Nasef.N
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