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How many balloons does Kenny have?

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V
Joined: 02 Sep 2009
Posts: 42529

Kudos [?]: 135163 [0], given: 12664

How many balloons does Kenny have? [#permalink]

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New post 12 Oct 2017, 23:18
00:00
A
B
C
D
E

Difficulty:

  15% (low)

Question Stats:

89% (00:31) correct 11% (00:02) wrong based on 38 sessions

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How many balloons does Kenny have?

(1) If Kenny had 3 fewer balloons, he would have only half as many as he actually has.
(2) Kenny has twice as many blue balloons as red balloons.
[Reveal] Spoiler: OA

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Kudos [?]: 135163 [0], given: 12664

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Joined: 05 Dec 2016
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Kudos [?]: 26 [0], given: 49

Concentration: Strategy, Finance
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Re: How many balloons does Kenny have? [#permalink]

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New post 13 Oct 2017, 00:24
(1) x - number of baloons
x-3=1/2x
x=6
Suff.
(2) no info about quantities

A.

Kudos [?]: 26 [0], given: 49

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Status: Head GMAT Instructor
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Re: How many balloons does Kenny have? [#permalink]

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New post 27 Nov 2017, 19:15
Bunuel wrote:
How many balloons does Kenny have?

(1) If Kenny had 3 fewer balloons, he would have only half as many as he actually has.
(2) Kenny has twice as many blue balloons as red balloons.


We can let n = the number of balloons Kenny has.

Statement One Alone:

If Kenny had 3 fewer balloons, he would have only half as many as he actually has.

We can create the following equation:

n - 3 = (1/2)n

2n - 6 = n

n = 6

Statement one alone is sufficient to answer the question.

Statement Two Alone:

Kenny has twice as many blue balloons as red balloons.

The information in statement two does not tell us how many balloons Kenny has.

Answer: A
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Kudos [?]: 971 [0], given: 5

Re: How many balloons does Kenny have?   [#permalink] 27 Nov 2017, 19:15
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