Price increase percentage

Easter discounts on winter goods were 20%. By what percentage does the price have to be increased retroactively to be sold again at the original price?

Final Answer:

p =  25 %

Step-by-step explanation:

r=100%20%=110020=0.8  (1+p/100) r=1 (1+p/100) 0.8=1  0.8p=20  p=0.820=25  p=25=25%



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