Mixture and Alligation | Removal and Replacement - Part 1 | Constant component & cross product

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Mixture and Alligation | Removal and Replacement - Part 1 | Constant component & cross product

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in a mixture of 180 litres the ratio of the juice to water is 7:5. if 2x litre of mixture is taken out and replaced with x litres of water the ratio becomes 7:9 then find the value of x

prashantyadav