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Source: Manhattan Prep
A mixture of oil, water, and vinegar contains 10% oil. After all the water evaporates, what percent of the mixture is oil?
1) Before the water evaporated, the mixture exactly filled a one liter bottle
2) Before the water evaporated, vinegar accounted for forty percent of the mixture
The OA is B
A mixture of oil, water, and vinegar contains 10% oil. After all the water evaporates, what percent of the mixture is oil?
1) Before the water evaporated, the mixture exactly filled a one liter bottle
2) Before the water evaporated, vinegar accounted for forty percent of the mixture
The OA is B
