Question
Pierre spent 16 of his allowance to buy a skirt. He spent 15 of his allowance to buy a pair of blouses. Given that Pierre had $57 left, how much allowance did he have at first?
4 m

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Pierre spent 16 of his allowance to buy a skirt. He spent 15 of his allowance to buy a pair of blouses. Given that Pierre had $57 left, how much allowance did he have at first?