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11 Aug 2017, 00:16
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C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
(low)
Question Stats:
84% (01:24) correct
16%
(01:49)
wrong
based on 262
sessions
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A drum of bathroom cleaner contains 200 gallons of a cleaning solution that is 20% bleach. If 50 gallons of water are added to the solution, what percent of the new solution is composed of bleach?
A. 12%
B. 15%
C. 16%
D. 18%
E. 20%
A. 12%
B. 15%
C. 16%
D. 18%
E. 20%
sashiim20
Joined: 04 Dec 2015
Last visit: 05 Jun 2024
Posts: 608
Given Kudos: 276
Location: India
Concentration: Technology, Strategy
Schools: ISB '19 IIMB IIMA XLRI HEC Sept19 intake Rotman '21 NUS '21 NTU '20 Trinity MBA '20 Bocconi '21 Smurfit "21
WE:Information Technology (Consulting)
Schools: ISB '19 IIMB IIMA XLRI HEC Sept19 intake Rotman '21 NUS '21 NTU '20 Trinity MBA '20 Bocconi '21 Smurfit "21
Posts: 608
11 Aug 2017, 00:33
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Bunuel
Cleaning solution \(= 200\) gallons
\(20\)% of cleaning solution is bleach \(= 20\)% of \(200 = \frac{20}{100} * 200 = 40\) gallons
\(50\) gallons of water is added to solution.
Therefore new total gallons of Cleaning solution \(= 200 + 50 = 250\) gallons
Required Percentage \(=\) (Bleach \(/\) New solution )\(* 100\)
Required Percentage \(= ( \frac{40}{250} ) * 100 = \frac{4000}{250} = 16\)%
Answer (C)...
11 Aug 2017, 00:34
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If 20% of the cleaning solution(200 gallons) is bleach,
the bleach is 40 gallons and water is 160 gallons.
Since 50 gallons of water is added to this solution,
the new percentage of bleach in the solution is \(\frac{40}{250} = \frac{40}{250}*100 = \frac{40*2}{5} = \frac{80}{5}= 16%\)(Option C)
the bleach is 40 gallons and water is 160 gallons.
Since 50 gallons of water is added to this solution,
the new percentage of bleach in the solution is \(\frac{40}{250} = \frac{40}{250}*100 = \frac{40*2}{5} = \frac{80}{5}= 16%\)(Option C)
