Question
Eva spent 34 of her money on some biscuits and 37 of her remaining money on 9 tarts. Each tart cost thrice as much as a biscuit. How many biscuits did she buy?
4 m

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Eva spent 34 of her money on some biscuits and 37 of her remaining money on 9 tarts. Each tart cost thrice as much as a biscuit. How many biscuits did she buy?