Question
PSLE
A cupcake costs $0.80 in Bakery P. For every 5 cupcakes a customer buys, he can buy the sixth one at half the price. What is the greatest number of cupcakes that a customer can buy with $20?
3 m

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PSLE
A cupcake costs $0.80 in Bakery P. For every 5 cupcakes a customer buys, he can buy the sixth one at half the price. What is the greatest number of cupcakes that a customer can buy with $20?