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# A certain car rental agency rented 25 vehicles yesterday

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Intern
Joined: 07 Sep 2012
Posts: 20
Followers: 0

Kudos [?]: 1 [0], given: 45

A certain car rental agency rented 25 vehicles yesterday [#permalink]  15 Sep 2012, 20:24
00:00

Difficulty:

35% (medium)

Question Stats:

79% (01:59) correct 21% (01:13) wrong based on 48 sessions
A certain car rental agency rented 25 vehicles yesterday, each of which was either a compact car or a luxury car. How many compact cars did the agency rent yesterday?

(1) The daily rental rate for a luxury car was \$15 higher than the rate for a compact car.
(2) The total rental rates for luxury cars was \$105 higher than the total rental rates for compact cars yesterday

But shouldn't the answer be C?- the daily rental on luxury car is \$15 more than compact and total rental for luxury cars was \$105 more than compact. Therefore, luxury cars=7 and compact cars=18.
[Reveal] Spoiler: OA

Last edited by Bunuel on 17 Sep 2012, 07:09, edited 1 time in total.
Edited the question.
Senior Manager
Joined: 15 Jun 2010
Posts: 363
Schools: IE'14, ISB'14, Kellogg'15
WE 1: 7 Yrs in Automobile (Commercial Vehicle industry)
Followers: 6

Kudos [?]: 152 [2] , given: 50

Re: A certain car rental agency rented 25 vehicles yesterday [#permalink]  15 Sep 2012, 20:47
2
KUDOS
Let C = Compact car nos & L = Luxury car nos
From Q stem : C+L = 25.
St 1: Insufficient: Let x be the rate/day for compact cars. So Cx + L (x+15) = ??
St 2: Insufficient: Let x & Y are rates. Ly = Cx + 105 (Dont know x & y)
St 1 + St 2: L(x+15) = Cx + 105....too many variables..for 2 equation.
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SVP
Joined: 06 Sep 2013
Posts: 1627
Location: United States
Concentration: Finance
GMAT 1: 710 Q48 V39
WE: Corporate Finance (Investment Banking)
Followers: 11

Kudos [?]: 155 [0], given: 254

Re: A certain car rental agency rented 25 vehicles yesterday [#permalink]  15 Apr 2014, 11:45
We have that C+L = 25, they are asking us to find C

Statement 1

C = R
L = R+15, when 'r' stands for rate

Clearly insufficient

Statement 2

C=T
L=T+15 , where 't' stands for total

Insufficient again

Both together we have that (25-c)(r+15) - cr = 105

We have two variables and only one equation, therefore clearly insufficient

E is the correct answer choice
Cheers!
J
Intern
Joined: 10 Feb 2014
Posts: 17
Location: United States
Concentration: Strategy, Real Estate
GMAT Date: 06-20-2014
GPA: 3.04
WE: Business Development (Non-Profit and Government)
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Kudos [?]: 6 [0], given: 0

Re: A certain car rental agency rented 25 vehicles yesterday [#permalink]  28 Apr 2014, 12:13
Doesnt the second statment, combined with the first statement, show that 7 more luxury cars were rented than compact cars?
SVP
Joined: 06 Sep 2013
Posts: 1627
Location: United States
Concentration: Finance
GMAT 1: 710 Q48 V39
WE: Corporate Finance (Investment Banking)
Followers: 11

Kudos [?]: 155 [0], given: 254

Re: A certain car rental agency rented 25 vehicles yesterday [#permalink]  24 May 2014, 08:50
jmyer028 wrote:
Doesnt the second statment, combined with the first statement, show that 7 more luxury cars were rented than compact cars?

Not so. Please refer to solution above

Thanks!
Cheers
J
Re: A certain car rental agency rented 25 vehicles yesterday   [#permalink] 24 May 2014, 08:50
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# A certain car rental agency rented 25 vehicles yesterday

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