How many kilograms of sugar worth ` 3.60 per kg should be mixed with 8 kg of sugar worth ` 4.20 per kg, such that by selling the mixture at ` 4.40 per kg, there may be a gain of 10%?
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the ratio will be 1:2
for 8kg of 4.20 sugar u need 4kg of 3.60
for 8kg of 4.20 sugar u need 4kg of 3.60
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