Question
Riordan had a sum of money. If he bought 7 croissants and 8 puffs, he would be short of $12. If he bought 3 croissants and 4 puffs, he would have $20 left. Given that he had $47, how many puffs could he buy at most?
4 m

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Riordan had a sum of money. If he bought 7 croissants and 8 puffs, he would be short of $12. If he bought 3 croissants and 4 puffs, he would have $20 left. Given that he had $47, how many puffs could he buy at most?