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In a 10-kilogram solution of water and oil, the ratio by mass of water
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11 Jun 2022, 02:00
11 Jun 2022, 02:00
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In a 10-kilogram solution of water and oil, the ratio by mass of water to oil is 3 : 2. If 8 kilograms of a solution consisting of 2 parts of water to 1 part of oil are added to the 10-kilogram solution, what fraction by mass of the new solution is oil?
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10/27
Part of the project: Skill Builder Project for a Q170
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GRE Math Essentials
GRE Geometry Formulas
GRE - Math Book
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GRE Math Essentials
GRE Geometry Formulas
GRE - Math Book
Re: In a 10-kilogram solution of water and oil, the ratio by mass of water
[#permalink]
11 Jun 2022, 06:17
11 Jun 2022, 06:17
1
10 kg solution ----> w/o = 3/2 or 6kg/4kg.
8 kg solution -----> w/o = 2/1 or 16/3 kg / 8/3 kg
Weight of oil in new solution = 4 + 8/3 --> 20/3 kg
What fraction by mass of the new solution is oil ---> 20/3 / 18 ----> 10/27
8 kg solution -----> w/o = 2/1 or 16/3 kg / 8/3 kg
Weight of oil in new solution = 4 + 8/3 --> 20/3 kg
What fraction by mass of the new solution is oil ---> 20/3 / 18 ----> 10/27
Re: In a 10-kilogram solution of water and oil, the ratio by mass of water
[#permalink]
23 Mar 2025, 19:49
23 Mar 2025, 19:49
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