# Discount

Ladies sweater was twice discounted. First by 11%, then by 11% of the new price. Its final price was 100 €. Determine the original price of sweater.

Correct result:

c =  126

#### Solution:

(1-11/100)(1-11/100) c = 100

(1-11/100)•(1-11/100)•c = 100

79.21c = 10000

c = 126.246686

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