Un tren circula sense detenir-se durant 3 hores i recorre 375 km. Calcula la seua

$${\frac{{\mathtt{375}}}{{\mathtt{3}}}} = {\mathtt{125}}$$  km/h

$${\mathtt{125}}{\mathtt{\,\times\,}}\left({\mathtt{1\,000}}\right){\mathtt{\,\times\,}}\left({\frac{{\mathtt{1}}}{{\mathtt{3\,600}}}}\right) = {\frac{{\mathtt{625}}}{{\mathtt{18}}}} = {\mathtt{34.722\: \!222\: \!222\: \!222\: \!222\: \!2}}$$  m/s

Haurà recorregu 125 km en la seva primera hora.