Question
Packet U is one-fifth as heavy as Packet V. Packet W is 4 times as heavy as Packets U and V together. What is the mass of Packet W if Packet V is f kg?
2 m

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Packet U is one-fifth as heavy as Packet V. Packet W is 4 times as heavy as Packets U and V together. What is the mass of Packet W if Packet V is f kg?