Percentage Discount given an Original Price of $82 and a Sale Price of $65.60

Discount Rate = 1 –  
Sale Price/Original Price

Discount Rate = 1 –  
65.60/82

Discount Rate = 1 – 0.8
Discount Rate = 0.2
0.2 Converted to a Percent: 0.2 = 20%
Percentage Discount given an Original Price of $82 and a Sale Price of $65.60 = 20%
Note: Reduction in Price = $82 – $65.60 = $16.40

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