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Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.  If A = q − r, B = r − s, and C = q − s, what is the value of A − (B −

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Math Expert V
Joined: 02 Sep 2009
Posts: 58320
If A = q − r, B = r − s, and C = q − s, what is the value of A − (B −  [#permalink]

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Difficulty:   25% (medium)

Question Stats: 82% (01:14) correct 18% (02:05) wrong based on 22 sessions

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If A = q − r, B = r − s, and C = q − s, what is the value of A − (B − C)?

A. −r
B. 0
C. 1
D. q + r
E. 2(q − r)

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VP  D
Joined: 31 Oct 2013
Posts: 1473
Concentration: Accounting, Finance
GPA: 3.68
WE: Analyst (Accounting)
Re: If A = q − r, B = r − s, and C = q − s, what is the value of A − (B −  [#permalink]

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Bunuel wrote:
If A = q − r, B = r − s, and C = q − s, what is the value of A − (B − C)?

A. −r
B. 0
C. 1
D. q + r
E. 2(q − r)

Given ,

A - (B -C)

=A - B + C

= ( q - r) - (r -s) + ( q - s )

= q - r - r + s + q - s

= 2q - 2r

= 2( q - r)

E is the correct answer. Re: If A = q − r, B = r − s, and C = q − s, what is the value of A − (B −   [#permalink] 05 Feb 2019, 04:31
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If A = q − r, B = r − s, and C = q − s, what is the value of A − (B −

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