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Safiaa571
@Safiaa571
May 2019
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Bonjour j'ai besoin f'aide
1.Dans un lycée deux septièmes des élèves fument. Cela représente 220 fumeurs. Calculée le nombre total d'élèves du lycée.
2. 25% des fumeurs sont' des filles, calculer le nombr de fille qui fume fument
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supersong
Verified answer
Bonjour,
1)
Soit x le nombre total d'élèves
2/7x = 220
x = 220 / 2/7
x = ... (Calcules)
2)
0.25 * 220 = x (calcules)
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Verified answer
Bonjour,1)
Soit x le nombre total d'élèves
2/7x = 220
x = 220 / 2/7
x = ... (Calcules)
2)
0.25 * 220 = x (calcules)