Book price increase

The book was sold for 225 CZK and was sold out very quickly. The publishing house prepared a reprint and expanded the book with new photographs. The extended version of the book costs CZK 280. By what percentage is the new book more expensive?

Final Answer:

p =  24.4444 %

Step-by-step explanation:

a=225 Kc b=280 Kc  p=100 aba=100 225280225=9220%=24.4444%



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