Melia a roulé à vélo pendant 1h45 à la vitesse moyenne de 20 km heure. 1.exprime la durée de ce parcours un nombre décimal d'heure. 2.calcul la distance parcourue par Melia lors de cette balade

By: USER8149
27 Agustus 2025 mathematiques 5 minutes
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Grade: Education Subject: mathematiques
Melia a roulé à vélo pendant 1h45 à la vitesse moyenne de 20 km heure. 1.exprime la durée de ce parcours un nombre décimal d'heure. 2.calcul la distance parcourue par Melia lors de cette balade
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Explications étape par étape :

Melia a roulé à vélo pendant 1h45 à la vitesse moyenne de 20 km/h

1.exprime la durée de ce parcours un nombre décimal d'heure

1h45 = 1h + (45÷60 = 0.75h) soit 1,75h

. 2.calcul la distance parcourue par Melia lors de cette balade

D = v × t

D = 20 × 1.75

D = 35km

Elle a parcouru 35 km lors de cette balade.

Answered on 27 Agustus 2025

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