Question
Bag D is one-fifth as heavy as Bag E. Bag F is 4 times as heavy as Bags D and E together. What is the mass of Bag F if Bag E is n kg?
2 m

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Bag D is one-fifth as heavy as Bag E. Bag F is 4 times as heavy as Bags D and E together. What is the mass of Bag F if Bag E is n kg?