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The product of two consecutive numbers is 72. Use a quadratic equation to find the two sets of numbers.An item is regularly priced at 20 dollars . It is on sale for 70% off the regular price. What is the sale price?What was the original price of a football 30% 104If 4 is subtracted from a number, the result is 2.Beck's Books sold 264 bookmarks this year. That is 40% fewer than the store sold last year. How many bookmarks did Beck's Books sell last year?