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Jayden used a Groupon at the local pizza shop. Instead of paying $15, for the pizza, he paid $12.
Haley and Arianna agree that the percent of decrease is 20% but their explanations differ. Haley says to find the 20%, you have to determine what percent of 15 is 12. Arianna thinks you have to determine what percent of 15 is 3. Who is correct?

Jayden Used A Groupon At The Local Pizza Shop Instead Of Paying 15 For The Pizza He Paid 12 Haley And Arianna Agree That The Percent Of Decrease Is 20 But Their class=