Marked price of an article is ₹ 275. Shopkeeper allows

Marked price of an article is ₹ 275. Shopkeeper allows a discount of 5% and he gets a profit of 4.5%. The actual cost of the article is

Given Here , Marked price of an article = ₹ 275
profit = 4.5% , discount = 5%
Let C.P. of article be y

∴	y × 104.5	=	275 × 95
	100		100

⇒ y × 104.5 = 275 × 95

⇒ y =	275 × 95	= ₹ 250
	104.5

Second method :
Here , M.P. = ₹ 275, D = 5%, r = 4.5%, C.P. = ?
Using the given formula ,

M.P.	=	100 + r
C.P.	=	100 − D

275	=	100 + 4.5
C.P.	=	100 − 5

C.P. =	275 × 95		= ₹ 250
	104.5