Math / Numbers & Operations

QuestionUn minerai fournit 20 \% de sa masse en fonte.
Quelle quantité de minerai faut-il pour obtenir 1560 kg de fonte? On donnera la réponse sous la forme d'un entier positif ou d'un nombre décimal arrondi au centième suivi de l'unitéqui convient. Valider Suivant

Studdy Solution
Calculate the mass of ore required:
$x = \frac{1560}{0.20} = 7800$
The mass of ore required to obtain $1560$ kg of cast iron is:
$\boxed{7800 \text{ kg}}$

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