A man saves 25 on the purchase of an article on which a discount of 20% is allowed. How much did the man pay ?
Let marked price = $$100x$$
Discount % = 20%
=> DIscounted amount = $$\frac{20}{100} * 100x = 20x$$
Amount saved by man = $$20x$$ = 25
=> $$x$$ = $$\frac{25}{20}$$ = 1.25
Amount paid by man = $$100x - 20x = 80x$$
=> 80 * 1.25 = 100
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