Bonjour
Les parents d'Evan souhaitent acheter une voiture.Finalement ils se décident pour un véhicule existant en 2 modèles: l'un essence et l'autre diesel
Véhicule diesel:
Consommation moyenne aux 100km:4.2L
Prix moyen d'un litre de carburant:1.339euro
Prix du véhicule; 24 100 euro

Véhicule essence:
Consommation moyenne aux 100km: 6.4L
Prix moyen d'un litre de carburant:1.449euro
Prix du véhicule: 21 550 euro

1) Pour se décider,les parents d'Evan demandent au vendeur:"combien de millier de kilomètre faut t-il parcourir pour que l'achat de la version diesel soit plus avantageux?"
Aidez le vendeur à répondre

2)Les parents d'Evan parcourt en moyenne 25000km par an et pensent conserver ce véhicule au moins 3 ans.Quel modèle leur conseillerez-vous?

J'ai essayer avec des calculs par essai successif et avec x mais je n'y arrive pas de plus je doit rendre ce DM dans 2 jours alors merci de m'aider
Merci
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