A trader has 600kgs of rice , a part of which he sells at 15% profit and the remaining quantity at 20% loss. On the whole , he incurs an overall loss of 6% .What is the quantity of rice he sold at 20% loss?
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Solution
Let the quantity of rice sold at 20% loss be x Kg
And the cost price be C/Kg
According to question + x×45C+ (600−x) ×115100C=600×94100C