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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 man walks at a rate of 10 mph... tagged by: AAPL ##### This topic has 2 expert replies and 0 member replies ### Top Member ## A man walks at a rate of 10 mph... A man walks at a rate of 10 mph. After every 10 miles, he rests for 6 minutes. How much time does he take to walk 50 miles? A. 300 B. 318 C. 322 D. 324 E. 330 The OA is D. I don't have clear this PS question, I appreciate if any expert explain it for me because if he rests for 6 minutes every 10 miles, he should stop to rest 4 times, that's mean 24 minutes, then For each 10 miles, his time is, (60+6)=66 minutes but for the last 10 miles (40 to 50) will be 60 minutes, finally the total time will be, 66(10 miles)+66(20 miles)+66(30 miles)+66(40 miles)+60(50 miles)=324. Is it correct my solution? Thank you so much. ### GMAT/MBA Expert GMAT Instructor Joined 08 Dec 2008 Posted: 12991 messages Followed by: 1249 members Upvotes: 5254 GMAT Score: 770 Top Reply That's a perfectly valid approach! _________________ 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! ### GMAT/MBA Expert Legendary Member Joined 14 Jan 2015 Posted: 2667 messages Followed by: 122 members Upvotes: 1153 GMAT Score: 770 AAPL wrote: A man walks at a rate of 10 mph. After every 10 miles, he rests for 6 minutes. How much time does he take to walk 50 miles? A. 300 B. 318 C. 322 D. 324 E. 330 The OA is D. I don't have clear this PS question, I appreciate if any expert explain it for me because if he rests for 6 minutes every 10 miles, he should stop to rest 4 times, that's mean 24 minutes, then For each 10 miles, his time is, (60+6)=66 minutes but for the last 10 miles (40 to 50) will be 60 minutes, finally the total time will be, 66(10 miles)+66(20 miles)+66(30 miles)+66(40 miles)+60(50 miles)=324. Is it correct my solution? Thank you so much. As Brent noted, your approach is perfectly valid. Alternatively, you could think about it like this If you're walking at 10mph, it'll take you 5 hours to go 50 miles without stopping. 5 hours =5*60 = 300 minutes. If you stop every 10 miles, you'll stop 4 times. At 6 minutes of resting per stop, you'll rest a total of 4*6 = 24 minutes. Total time = 300 + 24 =324. The answer is D _________________ Veritas Prep | GMAT Instructor Veritas Prep Reviews Save$100 off any live Veritas Prep GMAT Course

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