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A solution of alcohol and water contains alcohol and water in the rati

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Math Expert
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Joined: 02 Sep 2009
Posts: 58459
A solution of alcohol and water contains alcohol and water in the rati  [#permalink]

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New post 22 Jan 2019, 02:17
1
1
00:00
A
B
C
D
E

Difficulty:

  5% (low)

Question Stats:

95% (01:00) correct 5% (00:45) wrong based on 52 sessions

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GMAT Club Legend
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D
Joined: 18 Aug 2017
Posts: 5017
Location: India
Concentration: Sustainability, Marketing
GPA: 4
WE: Marketing (Energy and Utilities)
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Re: A solution of alcohol and water contains alcohol and water in the rati  [#permalink]

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New post 22 Jan 2019, 05:49
Bunuel wrote:
A solution of alcohol and water contains alcohol and water in the ratio of 1:8. If the entire solution is 31.5 ounces, how many ounces of water are in the solution?

A 4.5
B 9
C 16
D 27
E 28



8* 31.5/ 9
IMO E
28 is correct
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Re: A solution of alcohol and water contains alcohol and water in the rati  [#permalink]

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New post 22 Jan 2019, 23:49
ounces of water 8/9 * 31.5 = 28

IMO E
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Re: A solution of alcohol and water contains alcohol and water in the rati  [#permalink]

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New post 23 Jan 2019, 00:04
Alcohol: Water = 1:8

Total: 31.5 ounces.

Let k :alcohol => water is 8k.

We have: k + 8k= 31.5

<=> 9k= 31.5 => k= 3.5

=> Water : 8k= 8 x 3.5= 28.0

Answer E.
GMAT Club Bot
Re: A solution of alcohol and water contains alcohol and water in the rati   [#permalink] 23 Jan 2019, 00:04
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A solution of alcohol and water contains alcohol and water in the rati

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