Question
One novel costs $16 at a shop. During a sale, for every 7 novels bought, the 8th novel can be bought at a discount of 25% off the original price. How many novels does Mark buy if he pays $360 altogether?
4 m

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One novel costs $16 at a shop. During a sale, for every 7 novels bought, the 8th novel can be bought at a discount of 25% off the original price. How many novels does Mark buy if he pays $360 altogether?