A book price is 900 after a discount of 25%, what is its original price______?

A book price is 900 after a discount of 25%, what is its original price______?

Explanation

Let suppose original price = x

25% of x 25% X x

x- 25%x = 900

x - 25/100 x = 900

100x - 25x = 90000

75x = 90000

x=1200