Ms Orrigi

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shibal: Master | Next Rank: 500 Posts; Posts: 345; Joined: Wed Mar 18, 2009 6:53 pm; Location: Sao Paulo-Brazil; Thanked: 12 times; GMAT Score:660

by shibal » Fri May 01, 2009 11:17 am

Ms Orrigi plans a car trip of 7000 tom 9000 miles. the cost of gas will be 85 to 95 cents per gallon, and her car will average 20 to 30 miles per gallon. what is the maximum possible cost of the gasoline for the trip?

OA: 427,50

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Source: Beat The GMAT — Problem Solving | Fri May 01, 2009 11:17 am

maihuna: Legendary Member; Posts: 1578; Joined: Sun Dec 28, 2008 1:49 amFollowed by: 9 members; Thanked: 82 times; GMAT Score:720

by maihuna » Fri May 01, 2009 11:22 am

(9000/20)*95
= 85500/200 $
= 427.5$

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