Question

A shopkeeper sells two types of grain mixtures, one

containing 40% rice and the other containing 60% rice. How many kilograms of each type of rice mixture should be combined to obtain 70 kg of a mixture that contains 55% rice?

A 20 kg of 40% rice and 50 kg of 60% rice

B 17.5 kg of 40% rice and 52.5 kg of 60% rice

C 18 kg of 40% rice and 52 kg of 60% rice

D 15.3 kg of 40% rice and 54.7 kg of 60% rice

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A shopkeeper sells two types of grain mixtures, one

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