A shopkeeper mixes 20 , kg of rice which cost | vedclass

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(C) Step $1$: Calculate the total cost price $(C.P.)$ of the mixture.$C.P. = (20 	imes 5) + (35 	imes 7) = 100 + 245 = Rs. \, 345$.Step $2$: Calcula

Vedclass · Accepted Answer

$12.5, 3 \frac{43}{69} \%$

Vedclass · Answer

(C) Step $1$: Calculate the total cost price $(C.P.)$ of the mixture.$C.P. = (20 	imes 5) + (35 	imes 7) = 100 + 245 = Rs. \, 345$.Step $2$: Calculate the total selling price $(S.P.)$ of the mixture.Total weight of the mixture $= 20 + 35 = 55 \, kg$.$S.P. = 55 	imes 6.5 = Rs. \, 357.5$.Step $3$: Calculate the total profit.Profit $= S.P. - C.P. = 357.5 - 345 = Rs. \, 12.5$.Step $4$: Calculate the profit percentage.Profit percentage $= (\frac{	ext{Profit}}{C.P.}) 	imes 100 = (\frac{12.5}{345}) 	imes 100 = \frac{1250}{345} = \frac{250}{69} = 3 \frac{43}{69} \%$.

$A$ shopkeeper mixes $20 \, kg$ of rice which cost him $Rs. \, 5$ per $kg$ with $35 \, kg$ of rice which cost him $Rs. \, 7$ per $kg$. Then he sells the mixture at $Rs. \, 6.5$ per $kg$. Find his total profit and percent profit.

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