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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 ## Double scoop - No of guests- Please explain on how to think ##### This topic has 1 expert reply and 0 member replies ## Double scoop - No of guests- Please explain on how to think At a certain picnic, each of the guests was served either a single scoop or a double scoop of ice cream. How many of the guests were served a double scoop of ice cream? 1) At the picnic, 60 percent of the guests were served a double scoop of ice cream. 2) A total of 120 scoops of ice cream were served to all the guests at the picnic ### GMAT/MBA Expert GMAT Instructor Joined 25 May 2010 Posted: 15254 messages Followed by: 1861 members Upvotes: 13060 GMAT Score: 790 Divya Ann Chacko wrote: At a certain picnic, each of the guests was served either a single scoop or a double scoop of ice cream. How many of the guests were served a double scoop of ice cream? 1) At the picnic, 60 percent of the guests were served a double scoop of ice cream. 2) A total of 120 scoops of ice cream were served to all the guests at the picnic Statement 2: Total scoops = 120 No way to determine the number of double-scoop guests. INSUFFICIENT. Statement 1: At the picnic, 60 percent of the guests were served a double scoop of ice cream Thus, of every 10 guests: 6 guests received 2 scoops each, for a total of 12 scoops. 4 guests received 1 scoop each, for a total of 4 scoops. Thus, of every 16 scoops, the fraction received by the double-scoop guests = 12/16 = 3/4. No way to determine the number of double-scoop guests. INSUFFICIENT. Statement combined: The double-scoop guests received 3/4 of the total number of scoops: (3/4)120 = 90. Since each of these guests received 2 scoops, the number of double-scoop guests = 90/2 = 45. SUFFICIENT. The correct answer is C. _________________ 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. • Award-winning private GMAT tutoring Register now and save up to$200

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