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Luxo paint contains only alcohol and pigment. What is the

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by BTGmoderatorLU » Tue Nov 20, 2018 2:26 pm

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Source: Princeton Review

Luxo paint contains only alcohol and pigment. What is the ratio of alcohol to pigment in Luxo paint?

1) Exactly 7 ounces of pigment are contained in a 12-ounce can of Luxo paint.
2) Exactly 5 ounces of alcohol are contained in a 12-ounce can of Luxo paint.

The OA is D.
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by Brent@GMATPrepNow » Tue Nov 20, 2018 4:03 pm
BTGmoderatorLU wrote:Luxo paint contains only alcohol and pigment. What is the ratio of alcohol to pigment in Luxo paint?

1) Exactly 7 ounces of pigment are contained in a 12-ounce can of Luxo paint.
2) Exactly 5 ounces of alcohol are contained in a 12-ounce can of Luxo paint.
Target question: What is the ratio of alcohol to pigment in Luxo paint?

Given: Luxo paint contains ONLY alcohol and pigment.

Statement 1: Exactly 7 ounces of pigment are contained in a 12-ounce can of Luxo paint.
If 7 of the 12 ounces of paint are PIGMENT, then the remaining 5 ounces must be ALCOHOL
So, the ratio of alcohol to pigment = 5/7
Since we can answer the target question with certainty, statement 1 is SUFFICIENT

Statement 2: Exactly 5 ounces of alcohol are contained in a 12-ounce can of Luxo paint.[/quote]
If 5 of the 12 ounces of paint are ALCOHOL , then the remaining 7 ounces must be PIGMENT
So, the ratio of alcohol to pigment = 5/7
Since we can answer the target question with certainty, statement 2 is SUFFICIENT

Answer: D

Cheers,
Brent
Brent Hanneson - Creator of GMATPrepNow.com
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