\( \definecolor{colordef}{RGB}{249,49,84} \definecolor{colorprop}{RGB}{18,102,241} \)
La distance parcourue est-elle proportionnelle au temps de marche ?
Temps (heures) \(\textcolor{colordef}{1}\) \(\textcolor{colordef}{2}\) \(\textcolor{colordef}{3}\)
Distance (km) \(\textcolor{colorprop}{5}\) \(\textcolor{colorprop}{10}\) \(\textcolor{colorprop}{15}\)