Question
Packet Z is one-third as heavy as Packet A. Packet B is 5 times as heavy as Packets Z and A together. What is the mass of Packet B if Packet A is b kg?
2 m

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Packet Z is one-third as heavy as Packet A. Packet B is 5 times as heavy as Packets Z and A together. What is the mass of Packet B if Packet A is b kg?