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Difficulty: Sub 505 Level,   Fractions and Ratios,   Word Problems,                        
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Re: Three business partners, Q, R, and S, agree to divide their [#permalink]
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Kudos
IMO - B

If Q's share is $4,000 and Q get 2x, then 2x = 4000, x = 2000.
If R gets 5, then 5x = 10000.
If S gets 8, then 8x = 16000

Q + R + S = 4000 + 10000 + 16000 = 30000
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Re: Three business partners, Q, R, and S, agree to divide their [#permalink]
[quote="Bunuel"]The Official Guide For GMAT® Quantitative Review, 2ND Edition

Three business partners, Q, R, and S, agree to divide their total profit for a certain year in the ratios 2:5:8, respectively. If Q's share was $4,000, what was the total profit of the business partners for the year?

(A) $26,000
(B) $30,000
(C) $52,000
(D) $60,000
(E) $300,000

total profit is equal to the sum of the ratios * a variable (x) ======> = \(2x+5x+8x= (2+5+8)*x\) =15x

if Q's share is 4000 ====> 2x=4000====> x=2000

therefore, from the firstequation, total profit= \(2000*15=30000\)
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Re: Three business partners, Q, R, and S, agree to divide their [#permalink]
The value has to be a multiple of 15, so reject A and C
E and D are too large since 8x = 16,000, 2x = 4000
So by taking approximation (sum < 8X+8X+8X = 48,000), sum can never reach even 60,000
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Re: Three business partners, Q, R, and S, agree to divide their [#permalink]
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Re: Three business partners, Q, R, and S, agree to divide their [#permalink]
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