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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 ## A certain NYC taxi driver has decided to start charging a tagged by: AAPL ##### This topic has 2 expert replies and 0 member replies ### Top Member ## A certain NYC taxi driver has decided to start charging a ## Timer 00:00 ## Your Answer A B C D E ## Global Stats Difficult Manhattan Prep A certain NYC taxi driver has decided to start charging a rate of r cents per person per mile. How much, in dollars, would it cost 3 people to travel x miles if he decides to give them a 50% discount? A. $$\frac{3xr}{2}$$ B. $$\frac{3x}{200r}$$ C. $$\frac{3r}{200x}$$ D. $$\frac{3xr}{200}$$ E. $$\frac{xr}{600}$$ OA D ### GMAT/MBA Expert GMAT Instructor Joined 25 May 2010 Posted: 15362 messages Followed by: 1866 members Upvotes: 13060 GMAT Score: 790 AAPL wrote: Manhattan Prep A certain NYC taxi driver has decided to start charging a rate of r cents per person per mile. How much, in dollars, would it cost 3 people to travel x miles if he decides to give them a 50% discount? A. $$\frac{3xr}{2}$$ B. $$\frac{3x}{200r}$$ C. $$\frac{3r}{200x}$$ D. $$\frac{3xr}{200}$$ E. $$\frac{xr}{600}$$ Let r=100 cents. For 3 people, the cost per mile = 3*100 = 300 cents = 3 dollars. Let x = 2 miles. Regular cost for 3 people to travel 2 miles = 3*2 = 6 dollars. With a 50% discount, the cost in dollars = 3. This is our target. Now we plug x=2 and r=100 into the answers to see which yields our target of 3. Only answer choice D works: 3xr/200 = (3*2*100)/200 = 3. The correct answer is D. _________________ Mitch Hunt Private Tutor for the GMAT and GRE GMATGuruNY@gmail.com If you find one of my posts helpful, please take a moment to click on the "UPVOTE" icon. Available for tutoring in NYC and long-distance. For more information, please email me at GMATGuruNY@gmail.com. Student Review #1 Student Review #2 Student Review #3 Free GMAT Practice Test How can you improve your test score if you don't know your baseline score? Take a free online practice exam. Get started on achieving your dream score today! Sign up now. ### GMAT/MBA Expert GMAT Instructor Joined 25 Apr 2015 Posted: 2852 messages Followed by: 18 members Upvotes: 43 AAPL wrote: Manhattan Prep A certain NYC taxi driver has decided to start charging a rate of r cents per person per mile. How much, in dollars, would it cost 3 people to travel x miles if he decides to give them a 50% discount? A. $$\frac{3xr}{2}$$ B. $$\frac{3x}{200r}$$ C. $$\frac{3r}{200x}$$ D. $$\frac{3xr}{200}$$ E. $$\frac{xr}{600}$$ OA D The cost for 3 people for x miles for a 50% discount, in cents, is: 3 * x * r * 1/2 = 3xr/2 Since 1 dollar = 100 cents, the cost, in dollars, is 3xr/2 * 1/100 = 3xr/200. 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 Veritas GMAT Class Experience Lesson 1 Live Free Available with Beat the GMAT members only code • 5-Day Free Trial 5-day free, full-access trial TTP Quant Available with Beat the GMAT members only code • Magoosh Study with Magoosh GMAT prep Available with Beat the GMAT members only code • Free Practice Test & Review How would you score if you took the GMAT Available with Beat the GMAT members only code • 5 Day FREE Trial Study Smarter, Not Harder Available with Beat the GMAT members only code • Get 300+ Practice Questions 25 Video lessons and 6 Webinars for FREE Available with Beat the GMAT members only code • Award-winning private GMAT tutoring Register now and save up to$200

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