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Source: — Data Sufficiency |
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by 4meonly » Mon Sep 29, 2008 7:30 am
(1)
Means that price for 2 weeks is 1,5 times the price of 1st week.
No data o find total cost
INSUFF

(2)
Algebraically:
3x = 4 (x-15)
solving x = 60
total cost 3x = 180
SUFF


B
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by superrrom » Tue Sep 30, 2008 2:11 pm
4meonly wrote:(1)
Means that price for 2 weeks is 1,5 times the price of 1st week.
No data o find total cost
INSUFF

(2)
Algebraically:
3x = 4 (x-15)
solving x = 60
total cost 3x = 180
SUFF


B
4 (x-15) does it mean that you reduce the cost for 4 friends instead of 3, as it's tated in the question?
Thanks
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Legendary Member
Posts: 891
Joined: Sat Aug 16, 2008 4:21 amFollowed by: 1 member
Thanked: 27 times
GMAT Score:660(

by 4meonly » Wed Oct 01, 2008 2:10 am
superrrom wrote:
4meonly wrote:(1)
Means that price for 2 weeks is 1,5 times the price of 1st week.
No data o find total cost
INSUFF

(2)
Algebraically:
3x = 4 (x-15)
solving x = 60
total cost 3x = 180
SUFF


B
4 (x-15) does it mean that you reduce the cost for 4 friends instead of 3, as it's tated in the question?
Thanks
Yes, each of 4 friends will pay less then 3 friends.
Total cost of car rent was the same
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