Pre-Christmas 69224

The new type of PC became 15% more expensive before Christmas and is now being sold for CZK 13,800, which is 80% of the pre-Christmas (already higher) price. What was the original price of the PC before the price increase?

Correct answer:

x =  15000 Kc

Step-by-step explanation:

q1=100%+15%=1+10015=1.15 q2=80%=10080=0.8  q1 q2 x=13800 1.15 0.8 x=13800  0.92x=13800  x=0.9213800=15000  x=15000=15000 Kc



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