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The ratio, by volume, of bleach to detergent to water in a certain sol
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26 Sep 2021, 09:40
26 Sep 2021, 09:40
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62% (01:57) correct
37% (02:18) wrong based on 27 sessions
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The ratio, by volume, of bleach to detergent to water in a certain solution is 2 : 40 : 100. The solution will be altered so that the ratio of bleach to detergent is tripled while the ratio of detergent to water is halved. If the altered solution will contain 300 liters of water, how many liters of detergent will it contain?
(A) 9
(B) 20
(C) 30
(D) 60
(E) 90
(A) 9
(B) 20
(C) 30
(D) 60
(E) 90
Re: The ratio, by volume, of bleach to detergent to water in a certain sol
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01 Oct 2021, 10:07
01 Oct 2021, 10:07
3
Carcass wrote:
The ratio, by volume, of bleach to detergent to water in a certain solution is 2 : 40 : 100. The solution will be altered so that the ratio of bleach to detergent is tripled while the ratio of detergent to water is halved. If the altered solution will contain 300 liters of water, how many liters of detergent will it contain?
(A) 9
(B) 20
(C) 30
(D) 60
(E) 90
(A) 9
(B) 20
(C) 30
(D) 60
(E) 90
Given B:D:W 2:40:100
Alter B:D so that it's tripled, so 2:40 -> 6:40 = 3:20
Alter D:W so that it's halved, so 40:100 -> 20:100
Now the new B:D:W is 3:20:100.
so if W is 300 then B:D:W is 9:60:300.
so detergent is 60 liters.
Answer is D)
Re: The ratio, by volume, of bleach to detergent to water in a certain sol
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30 May 2024, 19:10
30 May 2024, 19:10
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Thanks to another GRE Prep Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).
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