There would be a 10% loss, if rice is sold at Rs. 54 per

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There would be a 10% loss, if rice is sold at Rs. 54 per kg. To earn a profit of 20%, the price of rice per kg will be

Here , S.P. of rice per kg = Rs. 54

∴ C.P. of rice per kg =	54 × 100	= Rs. 60
	90

For 20% profit,

S.P. per kg. =	60 × 120	= Rs. 72
	100

Using the given formula :
Here , Loss% = 10%

C.P. = S.P.			100
			100 - Loss%

C.P. = 54			100
			100 - 10

C.P. = Rs. 60

New S.P. = C.P.			100 + Profit%
			100

New S.P. = 60 ×			100 + 20			= $ 72
			100