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At a graduation, guests sit in rows such that there are p pe
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19 Jul 2019, 09:13
19 Jul 2019, 09:13
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Question Stats:
53% (01:14) correct
46% (01:15) wrong based on 122 sessions
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At a graduation, guests sit in rows such that there are p people in the first row, p + 1 people sit in the second row, p + 2 people sit in the third row, and so on. How many more people sit in row n than in the second row?
(A) n + 2
(B) n + 1
(C) n
(D) n – 1
(E) n – 2
(A) n + 2
(B) n + 1
(C) n
(D) n – 1
(E) n – 2
Re: At a graduation, guests sit in rows such that there are p pe
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18 Sep 2019, 00:06
18 Sep 2019, 00:06
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# of guests in nth row = p+n-1
How many more people sit in row n than in the second row = p+n-1 - (p+1) = n-2
How many more people sit in row n than in the second row = p+n-1 - (p+1) = n-2
Algebra question
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23 Sep 2020, 08:21
23 Sep 2020, 08:21
Dear forum members,
This is my first post, so I hope I'm posting this in the right place. If not, then I apologise.
I am trying to figure out the best way to approach this problem:
At a graduation, guests sit in rows such that there are p people in the first row, p+1 people sit in the second row, p+2 in the third row, and so on. How many more people sit in row n than in the second row?
I have no idea how to approach this. In my mind, the reasoning should go something like this: n (the total amount of people sitting in row n) - (p+1) (the amount of people who are sitting in row 2). So n - (p+1) should give the difference between the amount of people sitting in row n and in row 2. Unfortunately, that's not any of the answer choices. The choices are as follows:
A. n+2
B. n+1
C. n
D. n-1
E. n-2
How would you approach this problem?
This is my first post, so I hope I'm posting this in the right place. If not, then I apologise.
I am trying to figure out the best way to approach this problem:
At a graduation, guests sit in rows such that there are p people in the first row, p+1 people sit in the second row, p+2 in the third row, and so on. How many more people sit in row n than in the second row?
I have no idea how to approach this. In my mind, the reasoning should go something like this: n (the total amount of people sitting in row n) - (p+1) (the amount of people who are sitting in row 2). So n - (p+1) should give the difference between the amount of people sitting in row n and in row 2. Unfortunately, that's not any of the answer choices. The choices are as follows:
A. n+2
B. n+1
C. n
D. n-1
E. n-2
How would you approach this problem?
