Question
Packet W is one-quarter as heavy as Packet X. Packet Y is 3 times as heavy as Packets W and X together. What is the mass of Packet Y if Packet X is b kg?
2 m

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Packet W is one-quarter as heavy as Packet X. Packet Y is 3 times as heavy as Packets W and X together. What is the mass of Packet Y if Packet X is b kg?