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chaimaee
@chaimaee
January 2021
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Bns, dans un devoir on me dit "on partage 290€ entre trois personnes. La première touche 30€ de plus que le deuxième, mais 50€ de moins que la troisième. Combien va toucher la première personne ?"
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FreeThinker
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Soit x la somme que touche la 1ère personne. On peut écrire :
x+x-30+x+50=290
3x=270
x=270/3=90
La première personne va touche 90 euros
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Verified answer
Soit x la somme que touche la 1ère personne. On peut écrire :x+x-30+x+50=290
3x=270
x=270/3=90
La première personne va touche 90 euros