# Bookshelve

Bookshelve with an original price of € 200 twice become cheaper. After the second discounted by 15% the price was € 149.60. Determine how much % become cheaper for the first time.

Result

p =  12 %

#### Solution:

200*(1-p/100)*(1-15/100)=149.60

170p = 2040

p = 12

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