Question
The total mass of 2 tarts and 5 biscuits is 451 g. Each tart has a mass thrice as much as a biscuit. Find the mass of a biscuit.
4 m

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The total mass of 2 tarts and 5 biscuits is 451 g. Each tart has a mass thrice as much as a biscuit. Find the mass of a biscuit.