the price of an article is reduced by 10%.by how much percent this value can be increased to restore it to its former value
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Step-by-step explanation:
The price of an article is cut by 10%. In order to restore it to its ... In order to restore it to its former value, the new price must be increased by. Description for Correct answer: Let the former price be x and the new price be y. 4).
Let a number be 100
Its decreased by 10%= 100- (10/100×100)
= 90
Let the increase % be x
90+(x/100×90)= 100
90+ 90x/100
90x/100= 100-90
x= 10×100/90
x= 100/9 % or 11 whole 1 by 9 %
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