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

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

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New post 28 Jan 2019, 04:22
00:00
A
B
C
D
E

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
Spoiler: OA

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Re: If A:B = 4:3, and B:C = 5:6, then what is A:C?  [#permalink]

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New post 28 Jan 2019, 04:44
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.
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Re: If A:B = 4:3, and B:C = 5:6, then what is A:C?  [#permalink]

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New post 28 Jan 2019, 06:04
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
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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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