Question
Packet B is half as heavy as Packet C. Packet D is 5 times as heavy as Packets B and C together. What is the mass of Packet D if Packet C is m kg?
2 m

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Packet B is half as heavy as Packet C. Packet D is 5 times as heavy as Packets B and C together. What is the mass of Packet D if Packet C is m kg?