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Brand A coffee costs twice as much as brand B coffee. If a certain ble

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Intern
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Joined: 12 Aug 2015
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Brand A coffee costs twice as much as brand B coffee. If a certain ble  [#permalink]

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New post Updated on: 12 Aug 2015, 04:54
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Brand A coffee costs twice as much as brand B coffee. If a certain blend is 1/4 brand A and 3/4 brand B. what fraction of the cost of the blend is Brand A?

a. 1/3
b. 2/5
3. 1/2
4. 2/3
5. 3/4

Originally posted by Swathi1610 on 12 Aug 2015, 03:50.
Last edited by ENGRTOMBA2018 on 12 Aug 2015, 04:54, edited 1 time in total.
Formatted the question, edited the topic
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Schools: Kellogg '18 (M)
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Re: Brand A coffee costs twice as much as brand B coffee. If a certain ble  [#permalink]

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New post 12 Aug 2015, 04:54
Swathi1610 wrote:
Brand A coffee costs twice as much as brand B coffee. If a certain blend is 1/4 brand A and 3/4 brand B. what fraction of the cost of the blend is Brand A?

a. 1/3
b. 2/5
3. 1/2
4. 2/3
5. 3/4


Please format your question and follow the guidelines for posting questions in Quant forums. This is NOT a DS question.

Assume Cost of A= Ca = 200 , Cost of B = Cb=100

The blend contains 0.25 A and 0.75 B ---> Cost of the blend = Cbl = 0.25*200+0.75*100= 125

Thus fraction of A in the blend = 0.25*200/125 = 2/5. B is the correct answer.
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Re: Brand A coffee costs twice as much as brand B coffee. If a certain ble  [#permalink]

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New post 14 Aug 2015, 01:18
2
Swathi1610 wrote:
Brand A coffee costs twice as much as brand B coffee. If a certain blend is 1/4 brand A and 3/4 brand B. what fraction of the cost of the blend is Brand A?

a. 1/3
b. 2/5
3. 1/2
4. 2/3
5. 3/4

let us use a convenient number, 4
let brand B costs 4; brand A costs 8
one-fourth of A=2 and three-fourths of B is 3
Total cost is 5
The required ratio is 2/5
correct option is B
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Re: Brand A coffee costs twice as much as brand B coffee. If a certain ble  [#permalink]

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New post 20 Feb 2019, 18:56
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Re: Brand A coffee costs twice as much as brand B coffee. If a certain ble   [#permalink] 20 Feb 2019, 18:56
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