Question
Packet M is one-fifth as heavy as Packet N. Packet P is 4 times as heavy as Packets M and N together. What is the mass of Packet P if Packet N is s kg?
2 m

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Packet M is one-fifth as heavy as Packet N. Packet P is 4 times as heavy as Packets M and N together. What is the mass of Packet P if Packet N is s kg?