bonjour,
Catherine = x
Tommy = x / 2
Asma = x /2 + 4
x + x / 2 + x /2 + 4 = 24
2 x / x + x /2 + x /2 = 48/2 - 8/2
4 x /2 = 40 /2
2 x = 20
x = 10
Catherine en a mangé 10 , Tommy 5 et Asma 9
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bonjour,
Catherine = x
Tommy = x / 2
Asma = x /2 + 4
x + x / 2 + x /2 + 4 = 24
2 x / x + x /2 + x /2 = 48/2 - 8/2
4 x /2 = 40 /2
2 x = 20
x = 10
Catherine en a mangé 10 , Tommy 5 et Asma 9