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# A 25—ounce solution is 20 percent alcohol. If 50 ounces of water are a

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Math Expert
Joined: 02 Sep 2009
Posts: 55635
A 25—ounce solution is 20 percent alcohol. If 50 ounces of water are a  [#permalink]

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24 Dec 2018, 23:13
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Difficulty:

25% (medium)

Question Stats:

74% (01:25) correct 26% (01:45) wrong based on 47 sessions

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A 25—ounce solution is 20 percent alcohol. If 50 ounces of water are added to it, what percent of the new solution is alcohol?

A. 5%
B. 20/3%
C. 8%
D. 10%
E. 20%

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Joined: 07 Dec 2014
Posts: 1196
A 25—ounce solution is 20 percent alcohol. If 50 ounces of water are a  [#permalink]

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24 Dec 2018, 23:50
Bunuel wrote:
A 25—ounce solution is 20 percent alcohol. If 50 ounces of water are added to it, what percent of the new solution is alcohol?

A. 5%
B. 20/3%
C. 8%
D. 10%
E. 20%

let x=% alcohol of new solution
.2*25=x*(25+50)
x=1/15=20/3%
B
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Joined: 18 Aug 2017
Posts: 3837
Location: India
Concentration: Sustainability, Marketing
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WE: Marketing (Energy and Utilities)
Re: A 25—ounce solution is 20 percent alcohol. If 50 ounces of water are a  [#permalink]

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25 Dec 2018, 07:50
Bunuel wrote:
A 25—ounce solution is 20 percent alcohol. If 50 ounces of water are added to it, what percent of the new solution is alcohol?

A. 5%
B. 20/3%
C. 8%
D. 10%
E. 20%

25*20/100 = 5 ounce alchol

so 5/75 = 6.66% or 20/3% IMO B
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Re: A 25—ounce solution is 20 percent alcohol. If 50 ounces of water are a   [#permalink] 25 Dec 2018, 07:50
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