Question

The price of a book is reduced twice by 10% each.
To restore the reduced price to its original price,
the reduced price must be increased by a percentage
that is:

Please give explanation as well.​

Answer 1

Answer:

let the original price of book be x and then reduced price would be 10 % of y

now ,

10 % of x is 10× y/100= y/10

the reduced price is y/10

now the price need to be increased is 10 times

i.e....10×y/10

to restore the price

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