The price of an article was cut by 20% for sale. By what percent the discounted item be increased to again sell the article at the original price?
The price of an article was cut by 20% for sale. By what percent the discounted item be increased to again sell the article at the original price?
Explanation
Let's assume the original price is 100.
After a 20% discount, the price becomes:
100 - 20% of 100 = 100 - 20 = 80
To get back to the original price of 100, the increase needed is:
100 - 80 = 20
The percentage increase needed on the discounted price (80) is:
(20 / 80) × 100 = 25%