The marked price of an article is 30% higher than the cost

The marked price of an article is 30% higher than the cost price. If a trader sells the articles allowing 10% discount to customer, then the gain percent will be

Let the C.P. of article be Rs. 100.
∴ Its marked price = Rs. 130
After 10% discount , Its S.P. = 90% of 130

S.P. =	130 × 90	= Rs. 117
	4

Profit = S.P. - C.P. = 117 - 100 = 17

∴ Profit percent =	Profit	× 100
	C.P.

Profit percent =	17	× 100 = 17%
	100