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Mathematics 11 Online
OpenStudy (anonymous):

You are shopping at a nutritional supplement store for whey protein. The price of the protein is $39.99. You have a discount card for 20% off the purchase price. You also have a $10 gift card that can be applied to the purchase price. Which discount should be applied first to get you the best deal? What is the lowest final price? Use composition functions to determine your answer. (WORK IS APPRECIATED, I DON'T GET IT!)

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