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Sagot :

a) 1/4 + 3/8 = 2/8 + 3/8 = 5/8

Elle a utilisé 5/8 de la charge totale

b) 5/8 * 100 = 500/8 = 62.5%

100% - 62.5% = 37.5%

Il reste plus de 25%

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