Question 923752: A shopkeeper bought 20 kg of sugar at the rate of Rs. 8.50 per kg and 30 kg of sugar at the rate of 9.75 per kg. He mixed the two. At what approximate price (per kg) should he sell the mixture to get 25% profit at the cost price?
Answer by TimothyLamb(4379)   (Show Source):
You can put this solution on YOUR website! 20*8.5 + 30*9.75 = 462.50 rupee
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selling price for 25% profit:
462.50 * 1.25 = 578.125 rupee
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price per kg (x) selling price:
(20 + 30)x = 578.125 rupee
x = 578.125 / 50
x = 11.5625
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answer:
approximate selling price:
11.56 rupee/kg
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