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A survey of n people in the town of Eros found that 50% of t
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03 May 2019, 02:15
03 May 2019, 02:15
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57% (01:32) correct
42% (01:31) wrong based on 26 sessions
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A survey of n people in the town of Eros found that 50% of them prefer Brand A. Another survey of 100 people in the town of Angie found that 60% prefer Brand A. In total, 55% of all the people surveyed together prefer Brand A. What is the total number of people surveyed?
(A) 50
(B) 100
(C) 150
(D) 200
(E) 250
(A) 50
(B) 100
(C) 150
(D) 200
(E) 250
Re: A survey of n people in the town of Eros found that 50% of t
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03 May 2019, 20:04
03 May 2019, 20:04
.5n+.6(100)=.55(n+100).
So, n=100.
Total surveyed 100+100=200 (D)
So, n=100.
Total surveyed 100+100=200 (D)
Re: A survey of n people in the town of Eros found that 50% of t
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23 May 2021, 19:10
23 May 2021, 19:10
Hello from the GRE Prep Club BumpBot!
Thanks to another GRE Prep Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).
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Thanks to another GRE Prep Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).
Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email.
