Question
PSLE
A wafer costs $1.20 in Bakery F. For every 3 wafers a customer buys, he can buy the fourth one at half the price. What is the greatest number of wafers that a customer can buy with $18?
3 m

Click button first when a symbol is required. X

PSLE
A wafer costs $1.20 in Bakery F. For every 3 wafers a customer buys, he can buy the fourth one at half the price. What is the greatest number of wafers that a customer can buy with $18?