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Mathematics, 23.11.2020 01:30 ctaylor15

Mary mixes white paint and blue paint in the ratio 2:3. She makes a total of 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 2:3. She makes a total of 20 litres of paint. How...

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