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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 ## On Saturday night, each of the rooms at a certain motel... tagged by: AAPL ##### This topic has 2 expert replies and 0 member replies ### Top Member ## On Saturday night, each of the rooms at a certain motel... On Saturday night, each of the rooms at a certain motel was rented for either$40 or $60. If 10 of the rooms that were rented for$60 has instead been rented for $40, then the total rent the motel charged for that night would have been reduced by 25 percent. What was the total rent the motel actually charged for that night? A.$600
B. $800 C.$1,000
D. $1,600 E.$2,400

The OA is B.

I don't have clear this PS question.

I can say that the total rent for that night = $x. If 10 rooms that were rented for 60$ had instead been rented for 40 $, then the total difference in price will be =$20 * 10 = $200. I stuck here. I appreciate if any expert explains it to me. Thank you so much. ### GMAT/MBA Expert Legendary Member Joined 14 Jan 2015 Posted: 2667 messages Followed by: 122 members Upvotes: 1153 GMAT Score: 770 AAPL wrote: On Saturday night, each of the rooms at a certain motel was rented for either$40 or $60. If 10 of the rooms that were rented for$60 has instead been rented for $40, then the total rent the motel charged for that night would have been reduced by 25 percent. What was the total rent the motel actually charged for that night? A.$600
B. $800 C.$1,000
D. $1,600 E.$2,400

The OA is B.

I don't have clear this PS question.

I can say that the total rent for that night = $x. If 10 rooms that were rented for 60$ had instead been rented for 40 $, then the total difference in price will be =$20 * 10 = $200. I stuck here. I appreciate if any expert explains it to me. Thank you so much. You're almost there. We know that this$200 reduction represents 25% of the original value. Algebraically, .25x = 200 --> x = 800. The answer is B

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Save $100 off any live Veritas Prep GMAT Course Enroll in a Veritas Prep GMAT class completely for FREE. Wondering if a GMAT course is right for you? Attend the first class session of an actual GMAT course, either in-person or live online, and see for yourself why so many students choose to work with Veritas Prep. Find a class now! ### GMAT/MBA Expert GMAT Instructor Joined 25 Apr 2015 Posted: 2852 messages Followed by: 18 members Upvotes: 43 [quote="DavidG@VeritasPrep"] AAPL wrote: On Saturday night, each of the rooms at a certain motel was rented for either$40 or $60. If 10 of the rooms that were rented for$60 has instead been rented for $40, then the total rent the motel charged for that night would have been reduced by 25 percent. What was the total rent the motel actually charged for that night? A.$600
B. $800 C.$1,000
D. $1,600 E.$2,400
We can let T = total rent the motel actually charged. We also see that the hypothetical total rent was $200 less than the actual total rent since 10 of the rooms were charged$20 less each. Since this is a 25% decrease in total rent, we can say

T - 200 = 0.75T

0.25T = 200

(1/4)T = 200

T = 800

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scott@targettestprep.com

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