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Math Expert V
Joined: 02 Sep 2009
Posts: 58464
If A:B = 4:3, and B:C = 5:6, then what is A:C?  [#permalink]

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Difficulty:   5% (low)

Question Stats: 97% (01:02) correct 3% (00:34) wrong based on 40 sessions

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If A:B = 4:3, and B:C = 5:6, then what is A:C?

A. 18:20

B. 12:30

C. 20:18

D. 30:12

E. 18:30

_________________
VP  D
Joined: 31 Oct 2013
Posts: 1468
Concentration: Accounting, Finance
GPA: 3.68
WE: Analyst (Accounting)
Re: If A:B = 4:3, and B:C = 5:6, then what is A:C?  [#permalink]

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Bunuel wrote:
If A:B = 4:3, and B:C = 5:6, then what is A:C?

A. 18:20

B. 12:30

C. 20:18

D. 30:12

E. 18:30

A/B = 4/3 = 20/15

B/C = 5/6 = 15/18

A:B:C = 20:15:18

C is the correct answer.
GMAT Club Legend  D
Joined: 18 Aug 2017
Posts: 5043
Location: India
Concentration: Sustainability, Marketing
GPA: 4
WE: Marketing (Energy and Utilities)
Re: If A:B = 4:3, and B:C = 5:6, then what is A:C?  [#permalink]

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Bunuel wrote:
If A:B = 4:3, and B:C = 5:6, then what is A:C?

A. 18:20

B. 12:30

C. 20:18

D. 30:12

E. 18:30

a/b= 4/3
b/c=5/6
b=5c/6
so
a/b= 20/18
IMO C Re: If A:B = 4:3, and B:C = 5:6, then what is A:C?   [#permalink] 28 Jan 2019, 06:04
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If A:B = 4:3, and B:C = 5:6, then what is A:C?

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