Mathematics, 10.02.2021 18:20 medusa36

Marcia is at a store with a 20% off sale. She also has a coupon for an additional 10% off the sale price. Prove or disprove the following statement: A 20% discount on the original price of an item, followed by the use of a 10% off coupon, results in a total discount of 30%.
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Marcia is at a store with a 20% off sale. She also has a coupon for an additional 10% off the sale p...