Map

On the tourist map at a scale of 1 : 50000 is distance between two points along a straight road 3.7 cm. How long travels this distance on a bike at 30 km/h? Time express in minutes.

Correct answer:

t =  3.7 min

Step-by-step explanation:

$$\begin{gathered} s=vt \\ s={\displaystyle \frac{3.7}{100000}}\cdot 50000=1.85km \\ t={\displaystyle \frac{s}{v}}={\displaystyle \frac{1.85}{30}}=0.062h=3.7\text{ min} \end{gathered}$$

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