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Relative to a group of other airlines, an airline's degree of competit

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Manager
Joined: 23 Jun 2009
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Location: Brazil
GMAT 1: 470 Q30 V20
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Relative to a group of other airlines, an airline's degree of competit  [#permalink]

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Updated on: 27 Sep 2016, 14:20
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Difficulty:

45% (medium)

Question Stats:

71% (02:25) correct 29% (02:54) wrong based on 151 sessions

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Relative to a group of other airlines, an airline's degree of competition, c, for daily flights from Citi X to Destination Y is given by the formula ($$c=\frac{T}{f}+\frac{n}{4}$$), where the airline has f daily flights from Cit X to Destination Y, n of the other airlines in the group each have at least 1 daily flight from City X to Destination Y, and these n airlines have a combined total of T daily flights from City X to Destination Y. According to the table below, what is the Airline A's degree of competition, relative to Airline B, C, and D, for daily flights from City X to L.A.?

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

Originally posted by felippemed on 13 Sep 2016, 11:45.
Last edited by felippemed on 27 Sep 2016, 14:20, edited 3 times in total.
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Re: Relative to a group of other airlines, an airline's degree of competit  [#permalink]

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13 Sep 2016, 15:48
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
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Manager
Joined: 05 Jun 2015
Posts: 69
Location: United States
WE: Engineering (Transportation)
Re: Relative to a group of other airlines, an airline's degree of competit  [#permalink]

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16 Sep 2016, 05:59
From the Data we have
f = 4;
T = 5;
n = 3;
Substituting in the equation for degree of competition,
c = $$\frac{5}{4} + \frac{3}{4}$$
c = 2
Manager
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GPA: 3.9
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Re: Relative to a group of other airlines, an airline's degree of competit  [#permalink]

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14 Mar 2020, 11:12
1
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 airline's degree of competit  [#permalink]

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14 Mar 2020, 12:30
1

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 airline's degree of competit   [#permalink] 14 Mar 2020, 12:30