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Arthur59f
@Arthur59f
April 2019
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Deux problèmes de mathématique, merci à ceux qui me le feront.
Exercice 1 :
Dans un groupe de 52 personnes, il y a 25 hommes.
Donner sous forme de pourcentage la proportion des hommes dans le groupe.
Exercice 2 :
Un commerçant a indiqué sur un costume :
Valeur réelle : 40€ Article soldé : 28€.
Calculer le taux de réduction
Merci à vous
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nonotata
Bonjour
1/
25/52 =0.4807 soit 48 %
2/
40 -28 = 12
soit 12 euros de reduction
40 x tx de reduction =12
tx de reduction = 12/40 = 3/10 = 0.3 soit 30 %
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1/
25/52 =0.4807 soit 48 %
2/
40 -28 = 12
soit 12 euros de reduction
40 x tx de reduction =12
tx de reduction = 12/40 = 3/10 = 0.3 soit 30 %