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# Relative to a group of other airlines, an airlines degree of

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Manager
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Re: Relative to a group of other airlines, an airlines degree of [#permalink]
1
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EMPOWERgmatRichC wrote:
Hi felippemed,

To start, we'll need the 5 answer choices for reference:

A) 1
B) 5/4
C) 7/4
D) 2
E) 9/4

This question is essentially a "symbolism" question (albeit with an equation instead of a symbol): you're told what each variable in the equation "means" and then we're asked to do a simple calculation using data from a table:

We're given the equation: T/F + N/4

We're told to calculate (using that equation) for Airline A and Los Angeles. So, we just have to pull data from the table and plug in the numbers:

F = number of flights that Airline A has to Los Angeles
F = 4
N = number of OTHER airlines with at least 1 flight to Los Angles.
N = 3
T = combined flights to Los Angeles from the other airlines
T = 5

Now, plug in:

5/4 + 3/4 = 8/4 = 2

GMAT assassins aren't born, they're made,
Rich

Rich, why do we use 3 for N and not 4? Not sure I am following that
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Re: Relative to a group of other airlines, an airlines degree of [#permalink]
1
Kudos

The prompt gives us a specific definition for each of the variables involved - and that we can define an airline's "degree of competition (C)" using those variables.

We're asked to find the value of "C" for Airline A. The prompt tells us the value of "N" is equal to the total number of OTHER airlines that fly to the same city. Since Airline A flies to Los Angeles - and we're calculating the level of competition for Airline A - we should NOT include that airline as part of the value of N. Based on the data in the table, we can see that Airlines B, C and D all fly to Los Angeles; that's a total of 3 OTHER cities, so the value of N = 3.

GMAT assassins aren't born, they're made,
Rich
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Re: Relative to a group of other airlines, an airlines degree of [#permalink]