Question
PSLE
A puff costs $1.40 in Bakery K. For every 4 puffs a customer buys, he can buy the fifth one at half the price. What is the greatest number of puffs that a customer can buy with $28?
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PSLE
A puff costs $1.40 in Bakery K. For every 4 puffs a customer buys, he can buy the fifth one at half the price. What is the greatest number of puffs that a customer can buy with $28?