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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 ## If each customer at the outdoor movie last night came in a tagged by: BTGmoderatorLU ##### This topic has 1 member reply ### Top Member ## If each customer at the outdoor movie last night came in a ## Timer 00:00 ## Your Answer A B C D E ## Global Stats Difficult Source: GMAT Prep If each customer at the outdoor movie last night came in a car, what was the number of cars in which the customers came to the outdoor movie last night? 1) The average (arithmetic mean) number of customers per car coming to the outdoor movie last night was 2. 2) Total receipts at the outdoor movie last night were$4,500 at $5 per customer. The OA is C. ### Top Member Legendary Member Joined 02 Mar 2018 Posted: 1054 messages Followed by: 2 members Statement 1 The average arithemetic mean number of customers per car leading to the outdoor movie last right was 2 From the arithemetic mean of $$\frac{EFX}{EF}$$ $$Average\ customer\ per\ car\ =\frac{Total\ Customer}{No\ of\ cars}$$ Average customer per car= 2 but we were not given any information on Total customers so we cant find total number of cars. Hence statement 1 is INSUFFICIENT. Statement 2 Total receipts at the outdoor movie last night were 4500 dollars at 5dollar per customer. $$So\ Total\ customer\ =\frac{Total\ receipts}{receipts\ per\ customer}=\frac{4500}{5}=900customers$$ But we cannot find the total number of cars from this piece of information Hence statement 2 is INSUFFICIENT. combining statement 1 and 2 together Total customers = 900 Average customer per car = 2 $$Average\ customer\ per\ car=\frac{Total\ Customers}{Total\ number\ of\ Cars}$$ Make Total number of Cars the subject formular. $$Total\ numbers\ of\ Cars=\frac{Total\ Customers}{Average\ Customer\ per\ car}$$ $$Total\ numbers\ of\ Cars=\frac{Total\ Customers}{Average\ Customer\ per\ car}=\frac{900}{2}=450cars$$ $$Both\ statement\ combined\ together\ are\ SUFFICIENT.$$ $$answer\ is\ Option\ C$$ • 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 5-day free, full-access trial TTP Quant Available with Beat the GMAT members only code • Award-winning private GMAT tutoring Register now and save up to$200

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