Question
PSLE
A puff costs $1.60 in Bakery B. For every 3 puffs a customer buys, he can buy the fourth one at half the price. What is the greatest number of puffs that a customer can buy with $24?
3 m

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PSLE
A puff costs $1.60 in Bakery B. For every 3 puffs a customer buys, he can buy the fourth one at half the price. What is the greatest number of puffs that a customer can buy with $24?