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For all real numbers v, the operation v* is defined by the

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CEO
Joined: 21 Jan 2007
Posts: 2734

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For all real numbers v, the operation v* is defined by the [#permalink]

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03 Jun 2007, 15:14
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16.

For all real numbers v, the operation v* is defined by the equation v* = v - (v/3) .

If (v*)* = 8, then v =
(A) 15
(B) 18
(C) 21
(D) 24
(E) 27

Kudos [?]: 1051 [0], given: 4

Senior Manager
Joined: 03 Jun 2007
Posts: 376

Kudos [?]: 16 [1], given: 0

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03 Jun 2007, 16:01
1
KUDOS

Let V* = x
Given x - x/3 = 8
2x/3 = 8 => x = 12
v - v/3 = 12 => 2v/3 = 12 => v = 18

Kudos [?]: 16 [1], given: 0

GMAT Club Legend
Joined: 09 Sep 2013
Posts: 16587

Kudos [?]: 273 [0], given: 0

Re: For all real numbers v, the operation v* is defined by the [#permalink]

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23 Jan 2017, 19:38
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Kudos [?]: 273 [0], given: 0

Re: For all real numbers v, the operation v* is defined by the   [#permalink] 23 Jan 2017, 19:38
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