Question
Packet R is one-third as heavy as Packet S. Packet T is 4 times as heavy as Packets R and S together. What is the mass of Packet T if Packet S is a kg?
2 m

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Packet R is one-third as heavy as Packet S. Packet T is 4 times as heavy as Packets R and S together. What is the mass of Packet T if Packet S is a kg?