Question
Bag S is one-fifth as heavy as Bag T. Bag U is 4 times as heavy as Bags S and T together. What is the mass of Bag U if Bag T is j kg?
2 m

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Bag S is one-fifth as heavy as Bag T. Bag U is 4 times as heavy as Bags S and T together. What is the mass of Bag U if Bag T is j kg?