Question

11. The price of an article is reduced by 10%. By how much per cent this value be increased to restore
it to its former value?​

Answer 1

Answer:

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 %

Step-by-step explanation:

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