Question
One textbook costs $12 at a shop. During a sale, for every 4 textbooks bought, the 5th textbook can be bought at a discount of 25% off the original price. How many textbooks does Reggie buy if he pays $366 altogether?
4 m

Click button first when a symbol is required. X

One textbook costs $12 at a shop. During a sale, for every 4 textbooks bought, the 5th textbook can be bought at a discount of 25% off the original price. How many textbooks does Reggie buy if he pays $366 altogether?