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100 points for $49 worth of Veritas practice GMATs FREE VERITAS PRACTICE GMAT EXAMS Earn 10 Points Per Post Earn 10 Points Per Thanks Earn 10 Points Per Upvote ## Charlie takes 2.5 hours to fly from Los Angeles to Mexico Ci ##### This topic has 2 expert replies and 1 member reply ### Top Member ## Charlie takes 2.5 hours to fly from Los Angeles to Mexico Ci ## Timer 00:00 ## Your Answer A B C D E ## Global Stats Difficult Charlie takes 2.5 hours to fly from Los Angeles to Mexico City, a distance of 1200 miles. What is the average speed of his plane in miles per hour? (A) 200 mph (B) 240 mph (C) 410 mph (D) 480 mph (E) 533 mph OA D Source: Magoosh ### GMAT/MBA Expert GMAT Instructor Joined 08 Dec 2008 Posted: 12919 messages Followed by: 1248 members Upvotes: 5254 GMAT Score: 770 BTGmoderatorDC wrote: Charlie takes 2.5 hours to fly from Los Angeles to Mexico City, a distance of 1200 miles. What is the average speed of his plane in miles per hour? (A) 200 mph (B) 240 mph (C) 410 mph (D) 480 mph (E) 533 mph OA D Source: Magoosh Here's how I would answer this in my head Average speed = total distance/total time = 1200/2.5 = 2400/5 = 4800/10 = 480 Answer: D Cheers, Brent _________________ Brent Hanneson â€“ Creator of GMATPrepNow.com Use my video course along with Sign up for free Question of the Day emails And check out all of these free resources GMAT Prep Now's comprehensive video course can be used in conjunction with Beat The GMATâ€™s FREE 60-Day Study Guide and reach your target score in 2 months! ### Top Member Legendary Member Joined 29 Oct 2017 Posted: 925 messages Followed by: 4 members Direct substitution into the formula $$Speed = \frac{Distance}{Time}=\frac{1200\text{ miles}}{2.5\text{ hour}}=480\text{ mph}$$. Therefore, D ### GMAT/MBA Expert GMAT Instructor Joined 25 Apr 2015 Posted: 2624 messages Followed by: 18 members Upvotes: 43 BTGmoderatorDC wrote: Charlie takes 2.5 hours to fly from Los Angeles to Mexico City, a distance of 1200 miles. What is the average speed of his plane in miles per hour? (A) 200 mph (B) 240 mph (C) 410 mph (D) 480 mph (E) 533 mph OA D Source: Magoosh We can use the formula: average = (total distance)/(total time) average = 1200/2.5 = 480 mph Answer: D _________________ Scott Woodbury-Stewart Founder and CEO scott@targettestprep.com See why Target Test Prep is rated 5 out of 5 stars on BEAT the GMAT. Read our reviews • FREE GMAT Exam Know how you'd score today for$0

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