White paint and black paint are to be mixed in ratio 2 : 9 to make a shade of grey paint. How much of each type of paint is required to make 66 liters of grey p
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Pertanyaan
White paint and black paint are to be mixed in ratio 2 : 9 to make a shade of grey paint. How much of each type of paint is required to make 66 liters of grey paint?
1 Jawaban
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1. Jawaban Merlia42
white paint = 2/(2+9) * 66 = 2/11 * 66 = 12 litres
black paint = 9/(2+9) * 66 = 9/11 * 66 = 54 litres