Question
Bag Y is one-fifth as heavy as Bag Z. Bag A is 3 times as heavy as Bags Y and Z together. What is the mass of Bag A if Bag Z is z kg?
2 m

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Bag Y is one-fifth as heavy as Bag Z. Bag A is 3 times as heavy as Bags Y and Z together. What is the mass of Bag A if Bag Z is z kg?