Bonjour, j'ai besoin d'aide.

 

Démontrer que :

Augmenter de 10%, puis augmenter de 20%, revient à augmenter de 20%, puis augmenter de 10 %.

 

Merci de m'expliquer la réponse.

By: USER4163
28 Agustus 2025 mathematiques 5 minutes
4.5
216 views 216 comments 13 shares
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Question

Grade: Education Subject: mathematiques

Bonjour, j'ai besoin d'aide.

 

Démontrer que :

Augmenter de 10%, puis augmenter de 20%, revient à augmenter de 20%, puis augmenter de 10 %.

 

Merci de m'expliquer la réponse.

Asked by:
216 Viewed 216 Answers

Answer (216)

Best Answer
(150)

Augmenter de 10% = Multiplier par 1.1
Augmenter de 20% = Multiplier par 1.2
Si tu fais *1.1*1.2, c'est pareil que de faire *1.2*1.1

Answered on 28 Agustus 2025
(55)

10+20 pourcent = 30

20 + 10 pourcent = 30

Answered on 28 Agustus 2025

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