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30% of major airline companies equip their planes with

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Senior Manager
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30% of major airline companies equip their planes with [#permalink]

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23 Oct 2011, 07:13
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30% of major airline companies equip their planes with wireless internet access. 70% of major airlines offer passengers free on-board snacks. What is the greatest possible percentage of major airline companies that offer both wireless internet and free on-board snacks?

A. 21%
B. 30%
C. 40%
D. 50%
E. 70%
[Reveal] Spoiler: OA

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23 Oct 2011, 07:45
Is the ans b- 30% ??

As greatest has been asked, all 30% can fall into the 70% category but the reverse isn't true.
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23 Oct 2011, 08:10
B

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23 Oct 2011, 09:27
B
as it can be a subset of 70%. hence the maximum possibility.
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Re: 30% of major airline companies equip their planes with [#permalink]

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27 Dec 2015, 04:14
Hello from the GMAT Club BumpBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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Re: 30% of major airline companies equip their planes with [#permalink]

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28 Dec 2015, 03:57
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Expert's post
LalaB wrote:
30% of major airline companies equip their planes with wireless internet access. 70% of major airlines offer passengers free on-board snacks. What is the greatest possible percentage of major airline companies that offer both wireless internet and free on-board snacks?

A. 21%
B. 30%
C. 40%
D. 50%
E. 70%

30% of airline companies equip their planes with wireless internet access
70% of major airlines offer passengers free on-board snacks

We need to find the greatest percentage that offer both.

The number will be greatest when all the companies that offer wireless internet also offer free snacks.
Hence 30%

Option B
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Re: 30% of major airline companies equip their planes with   [#permalink] 28 Dec 2015, 03:57
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