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Kim purchased n items from a catalog for $8 each

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Senior Manager
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Joined: 03 Dec 2012
Posts: 293
Kim purchased n items from a catalog for $8 each [#permalink]

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New post 09 Dec 2013, 01:24
1
00:00
A
B
C
D
E

Difficulty:

  15% (low)

Question Stats:

72% (00:47) correct 28% (00:27) wrong based on 146 sessions

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Kim purchased n items from a catalog for $8 each. Postage and handling charges consisted of $3 for the first item and $1 for each additional item. Which of the following gives the total dollar amount for Kim’s purchase, including postage and handling, in terms of n ?

(A) 8n + 2
(B) 8n + 4
(C) 9n + 2
(D) 9n + 3
(E) 9n + 4
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Manager
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Status: MBA Candidate, Class of 2017
Affiliations: SMU Cox
Joined: 24 Sep 2012
Posts: 193
Location: United States (TX)
Concentration: General Management, Strategy
GMAT 1: 710 Q48 V39
GPA: 3.75
WE: Project Management (Energy and Utilities)
Re: Kim purchased n items from a catalog for $8 each [#permalink]

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New post 09 Dec 2013, 01:30
1
mohnish104 wrote:
Kim purchased n items from a catalog for $8 each. Postage and handling charges consisted of $3 for the first item and $1 for each additional item. Which of the following gives the total dollar amount for Kim’s purchase, including postage and handling, in terms of n ?

(A) 8n + 2
(B) 8n + 4
(C) 9n + 2
(D) 9n + 3
(E) 9n + 4



its C

n items for $8 each
total price $8n

postage and handling of $3 for 1st item and $1 for the rest
total postage and handling = $ [3+ (n-1)]
= $ n+2

total cost

8n+n+2 = 9n+2
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GMAT 1: 750 Q50 V41
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Re: Kim purchased n items from a catalog for $8 each [#permalink]

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New post 16 Mar 2017, 11:52
Postage and handling charges consisted of $3 for the first item and $1 for each additional item.

The underlined portion confused me completely.

It says $1 for each additional item that means, 1st item for $3 and rest items i.e. (n-1) items for $1 each.
Senior Manager
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Re: Kim purchased n items from a catalog for $8 each [#permalink]

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New post 17 Mar 2017, 03:29
for n item purchasing price = 8n
other charges = 3 + (n-1)*1 = n+2

total charges = 8n + n + 2 = 9n +2
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Re: Kim purchased n items from a catalog for $8 each [#permalink]

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New post 21 Mar 2017, 06:21
mohnish104 wrote:
Kim purchased n items from a catalog for $8 each. Postage and handling charges consisted of $3 for the first item and $1 for each additional item. Which of the following gives the total dollar amount for Kim’s purchase, including postage and handling, in terms of n ?

(A) 8n + 2
(B) 8n + 4
(C) 9n + 2
(D) 9n + 3
(E) 9n + 4


Since Kim purchased n items from a catalog, we can create the following expression:

8n + 3 + 1(n - 1) = 8n + 3 + n - 1 = 9n + 2

Answer: C
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Joined: 04 Sep 2015
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Re: Kim purchased n items from a catalog for $8 each [#permalink]

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New post 26 Mar 2017, 01:31
Kim purchased n items from a catalog for $8 each. Postage and handling charges consisted of $3 for the first item and $1 for each additional item. Which of the following gives the total dollar amount for Kim’s purchase, including postage and handling, in terms of n ?

(A) 8n + 2
(B) 8n + 4
(C) 9n + 2
(D) 9n + 3
(E) 9n + 4

Let the number of items be 10 then the total price is 10*8+3+9=92.

Now substitute n=10, and see what option gives correct answer. option C is correct.
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Re: Kim purchased n items from a catalog for $8 each [#permalink]

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New post 02 Apr 2017, 23:37
Total purchase amount excluding the extra charges= 8n
Extra charges= 3+1(n-1)

Thus the total amount= 8n+3+1(n-1)=9n+2
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Re: Kim purchased n items from a catalog for $8 each   [#permalink] 02 Apr 2017, 23:37
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Kim purchased n items from a catalog for $8 each

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