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Paul is making grey paint. He mixes black and white paint in the ratio 1:3. He makes 35 litres of grey paint. How much white paint does he use?
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Paul is making grey paint. He mixes black and white paint in the ratio 1:3. He makes 35 litres of grey paint. How much white paint does he use?

User Zmccord
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9 votes
1 part black, four parts white. 35/4 = 8.75. There are 3 parts so 8.75* = 26.25 liters of white paint
User Erik Roznbeker
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