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Discount Rate and Regular Price

1. Find the discount rate.

Example

Regular price: $45
Sale price: $36

a. Regular price: $160 b. Regular price: $120
Sale price: $144 Sale price: $84

c. Regular price: $90 d. Regular price: $32
Sale price: $76.50 Sale price: $28

e. Regular price: $114 f. Regular price: $224
Sale price: $85.50 Sale price: $215.04

2. Ann wants to buy a pair of winter boots. During a sale, the sale
price for the boots is $25.55. What is the discount rate?

$36.50