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- Decimals: If you master decimals, we bow to you! > Decimals Exercise 9 > 1
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Question

A bag that is filled with 6 marbles has a mass of 80 g less than an identical bag that has 8 marbles.
The mass of each bag is 0.2 of the mass of each marble.
What is the mass of a bag that contains 16 marbles?
The correct answer is : 648