Question

the price of an article is increased by 25% by how much per cent must this new value be decreased to restore it to its former value​

Answer 1

Answer:

20% decrease

Step-by-step explanation:

let original price be 100

after 25 % increase 125

in order to restore original value 25/125 * 100 = 20% decrease

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Answer 2

(125x/100 - 100x/100) / 125x/100. x 100
=> 25x/125x x 100
=> 20%