Question
PSLE
A shortbread costs $1.20 in Bakery R. For every 5 shortbreads a customer buys, he can buy the sixth one at half the price. What is the greatest number of shortbreads that a customer can buy with $18?
3 m

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PSLE
A shortbread costs $1.20 in Bakery R. For every 5 shortbreads a customer buys, he can buy the sixth one at half the price. What is the greatest number of shortbreads that a customer can buy with $18?