Question
One novel costs $20 at a shop. During a sale, for every 4 novels bought, the 5th novel can be bought at a discount of 30% off the original price. How many novels does Elijah buy if he pays $416 altogether?
4 m

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One novel costs $20 at a shop. During a sale, for every 4 novels bought, the 5th novel can be bought at a discount of 30% off the original price. How many novels does Elijah buy if he pays $416 altogether?