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# If 2a = 3b = 4c = 72, then what is the average (arithmetic mean) of a,

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Math Expert
Joined: 02 Sep 2009
Posts: 58316
If 2a = 3b = 4c = 72, then what is the average (arithmetic mean) of a,  [#permalink]

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19 Feb 2019, 23:56
00:00

Difficulty:

25% (medium)

Question Stats:

71% (01:08) correct 29% (01:12) wrong based on 24 sessions

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If 2a = 3b = 4c = 72, then what is the average (arithmetic mean) of a, b, and c ?

A. 39
B. 26
C. 24
D. 18
E. 9

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Re: If 2a = 3b = 4c = 72, then what is the average (arithmetic mean) of a,  [#permalink]

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20 Feb 2019, 01:56
Bunuel wrote:
If 2a = 3b = 4c = 72, then what is the average (arithmetic mean) of a, b, and c ?

A. 39
B. 26
C. 24
D. 18
E. 9

a=36,b=24 and c = 18
avg = 26
IMO b
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Re: If 2a = 3b = 4c = 72, then what is the average (arithmetic mean) of a,   [#permalink] 20 Feb 2019, 01:56
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