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Mathematics, 03.07.2019 08:00 whocaresfasdlaf9341

Mary mixes white paint and blue paint in the ratio of 2: 3 she makes 20 litres of paint. how much more blue paint does she need to add to the mixture so that the ratio of white paint to blue paint becomes 1: 7?

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Mary mixes white paint and blue paint in the ratio of 2: 3 she makes 20 litres of paint. how much mo...
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