Determine 7495

Determine the product's original price, which after a 20% discount costs 90 CZK.

Correct answer:

x =  112.5 kc

Step-by-step explanation:

x - 0.20x = 90

x - 0.20·x = 90

0.8x = 90

x = 90/0.8 = 112.5

x = 225/2 = 112.5

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