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Aureeliienn
@Aureeliienn
June 2021
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Svp aidez moi c'est important ! C'est un exercice de maths à rendre pour demain j'ai rien compris
Exercice dans la pièce jointes
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danielwenin
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Soit x le nombre de filles
(15.11 + 8,5.x)/(15+x) = 10 =>165 + 8,5x = 150 + 10x => 1,5x = 15 => x = 15.2/3 = 10
il y a 10 filles
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Aureeliienn
merci beaucoup c'est vraiment gentils :>>. merci tu me sauve la vie !!! :) je suis vraiment content !
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Verified answer
Soit x le nombre de filles(15.11 + 8,5.x)/(15+x) = 10 =>165 + 8,5x = 150 + 10x => 1,5x = 15 => x = 15.2/3 = 10
il y a 10 filles