Question
The total mass of 3 chocolate bars and 1 mini cupcake is 12 g. The mass of 1 mini cupcake is 6 g. What is the mass of 1 chocolate bar?
4 m

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The total mass of 3 chocolate bars and 1 mini cupcake is 12 g. The mass of 1 mini cupcake is 6 g. What is the mass of 1 chocolate bar?