Merchant

The merchant lower cost by 10% in December when it was not sold. Again in January lower cost by 20% and now costs 576 €.
A. How much the goods stood originally?
B, how much cost the goods after the first lowering?
C, How many percents totally merchant lower cost?

Result

a =  800 EUR
b =  720 EUR
c =  28 %

Solution:

Solution in text a =
Solution in text b =
Solution in text c =







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