Question
PSLE
A croissant costs $1.20 in Bakery P. For every 3 croissants a customer buys, he can buy the fourth one at half the price. What is the greatest number of croissants that a customer can buy with $15?
3 m

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PSLE
A croissant costs $1.20 in Bakery P. For every 3 croissants a customer buys, he can buy the fourth one at half the price. What is the greatest number of croissants that a customer can buy with $15?