Question
The total mass of 3 crystal bowls and 9 plates is 8.1 kg. The total mass of 1 crystal bowl and 2 plates is 2 kg. What is the mass of each plate?
4 m

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The total mass of 3 crystal bowls and 9 plates is 8.1 kg. The total mass of 1 crystal bowl and 2 plates is 2 kg. What is the mass of each plate?