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Miguel is mixing up a salad dressing. Regardless of the

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Senior Manager
Joined: 06 Jul 2006
Posts: 295
Location: SFO Bay Area
Schools: Berkeley Haas
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Miguel is mixing up a salad dressing. Regardless of the [#permalink]  17 Feb 2008, 11:48
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Miguel is mixing up a salad dressing. Regardless of the number of servings, the recipe requires that 5/8 of the finished dressing mix be olive oil, 1/4 vinegar, and the remainder an even mixture of salt, pepper and sugar. If Miguel accidentally doubles the vinegar and forgets the sugar altogether, what proportion of the botched dressing will be olive oil?

15/29
5/8
5/16
1/2
13/27
Senior Manager
Joined: 20 Dec 2004
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Re: PS: Proportion [#permalink]  17 Feb 2008, 12:01
1/2

5/8 - olive oil
1/4 - vinegar
Hence 1/8 - Salt +Pepper + sugar

New mix S+P+S = 0 and vinegar is doubled i.e 1/2

So olive oil will be 1/2 of the remaining....

what is the oa ?
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Senior Manager
Joined: 06 Jul 2006
Posts: 295
Location: SFO Bay Area
Schools: Berkeley Haas
Followers: 2

Kudos [?]: 35 [0], given: 0

Re: PS: Proportion [#permalink]  17 Feb 2008, 12:05
No its not 1/2.

In the new mix, he forgot to add only sugar, but not salt and pepper ....
Re: PS: Proportion   [#permalink] 17 Feb 2008, 12:05
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