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The only articles of clothing in a certain closet are shirts, dresses,
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16 Jun 2016, 05:05
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The only articles of clothing in a certain closet are shirts, dresses, and jackets. The ratio of the number of shirts to the number of dresses to the number of jackets in the closet is 9:4:5, respectively. If there are more than 7 dresses in the closet, what is the total number of articles of clothing in the closet?
(1) The total number of shirts and jackets in the closet is less than 30 (2) The total number of shirts and dresses in the closet is 26
Re: The only articles of clothing in a certain closet are shirts, dresses,
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09 Dec 2017, 16:03
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Hi All,
This DS question can be solved rather easily with a bit of 'brute force' and some simple arithmetic. To start, it's worth noting that you CANNOT have a 'fraction' of a piece of clothing. We're told that the ratio of shirts:dresses:jackets is 9:4:5, so the number of shirts MUST be a multiple of 9, the number of dresses MUST be an equivalent multiple of 4 and the number of jackets MUST be an equivalent multiple of 5. I'm going to put together a quick list of the first few potential possibilities...
There COULD be... 9 shirts/4 dresses/5 jackets 18 shirts/8 dresses/10 jackets 27 shirts/12 dresses/15 jackets 36 shirts/16 dresses/20 jackets Etc.
We're also told that there are MORE than 7 dresses. We're asked for the total number of articles of clothing.
(1) The total number of shirts and jackets in the closet is less than 30.
With this Fact, we can look at our notes and find whatever options fit this information (AND include MORE than 7 dresses). There's only one... 18 shirts/8 dresses/10 jackets Fact 1 is SUFFICIENT.
(2) The total number of shirts and dresses in the closet is 26.
With this Fact, we can again look at the available options. There's only one... 18 shirts/8 dresses/10 jackets Fact 2 is SUFFICIENT.
Re: The only articles of clothing in a certain closet are shirts, dresses,
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16 Jun 2016, 05:33
1
The only articles of clothing in a certain closet are shirts, dresses, and jackets. The ratio of the number of shirts to the number of dresses to the number of jackets in the closet is 9:4:5, respectively. If there are more than 7 dresses in the closet, what is the total number of articles of clothing in the closet?
(1) The total number of shirts and jackets in the closet is less than 30 (2) The total number of shirts and dresses in the closet is 26
Both statement are individually sufficient. Both give the required values. D is the answer.
Re: The only articles of clothing in a certain closet are shirts, dresses,
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16 Jun 2016, 11:38
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Bunuel wrote:
The only articles of clothing in a certain closet are shirts, dresses, and jackets. The ratio of the number of shirts to the number of dresses to the number of jackets in the closet is 9:4:5, respectively. If there are more than 7 dresses in the closet, what is the total number of articles of clothing in the closet?
(1) The total number of shirts and jackets in the closet is less than 30 (2) The total number of shirts and dresses in the closet is 26
Statement 1:-
Since ratio of S:D= 9:4
For S+D<30, there are two possible cases
S+D= 9+4 or S+D= 18+8
9+4 is not possible as J>7
So, S+D= 18+8+10= 36 Sufficient
Statement 2:-
S+D= 26 9x+4x= 26
We will get the value of x , and hence can find out the total number of clothes. Sufficient.
D is the answer _________________
I welcome critical analysis of my post!! That will help me reach 700+
Re: The only articles of clothing in a certain closet are shirts, dresses,
[#permalink]
16 Jun 2016, 19:50
Divyadisha wrote:
Bunuel wrote:
The only articles of clothing in a certain closet are shirts, dresses, and jackets. The ratio of the number of shirts to the number of dresses to the number of jackets in the closet is 9:4:5, respectively. If there are more than 7 dresses in the closet, what is the total number of articles of clothing in the closet?
(1) The total number of shirts and jackets in the closet is less than 30 (2) The total number of shirts and dresses in the closet is 26
Statement 1:-
Since ratio of S:D= 9:4
For S+D<30, there are two possible cases
S+D= 9+4 or S+D= 18+8
9+4 is not possible as J>7
So, S+D= 18+8+10= 36 Sufficient
Statement 2:-
S+D= 26 9x+4x= 26
We will get the value of x , and hence can find out the total number of clothes. Sufficient.
D is the answer
Hi,
Please review highlighted part as statement 1 is about Shirts and Jackets so it should be Shirts + Jackets <30 and hence you should take the ratio between shirts and jacket to be 9:5
Re: The only articles of clothing in a certain closet are shirts, dresses,
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18 Jun 2016, 03:17
4
1
IMO D 1. 9x+5x<30 therefore 14x<30 therefore x = 1 or 2 but dresses >7 so x!= 1 so x=2 sufficient 2). 9x+4x=26 13x=26 x=2 dresses =8 sufficient so both A and B are sufficient _________________
Re: The only articles of clothing in a certain closet are shirts, dresses,
[#permalink]
08 Dec 2016, 08:53
6
Expert Reply
3
Bookmarks
Bunuel wrote:
The only articles of clothing in a certain closet are shirts, dresses, and jackets. The ratio of the number of shirts to the number of dresses to the number of jackets in the closet is 9:4:5, respectively. If there are more than 7 dresses in the closet, what is the total number of articles of clothing in the closet?
(1) The total number of shirts and jackets in the closet is less than 30 (2) The total number of shirts and dresses in the closet is 26
We are given that the ratio of shirts to dresses to jackets is 9 to 4 to 5. Thus:
shirts : dresses : jackets = 9x : 4x : 5x
We also are given that there are more than 7 dresses in the closet and must determine the total number of articles of clothing in the closet, i.e., the value of 9x + 4x + 5x = 18x.
Statement One Alone:
The total number of shirts and jackets in the closet is less than 30.
Using the information in statement one, we can create the following inequality:
9x + 5x < 30
14x < 30
x < 30/14
x < 2 1/7
Thus, x could either be 1 or 2.
If x = 1, then there are 4 dresses. If x = 2, then there are 8 dresses. Since the number of dresses is greater than 7, x must be 2. So there are 9(2) + 4(2) + 5(2) = 18 + 8 + 10 = 36 articles of clothing in the closet. Statement one alone is sufficient to answer the question. We can eliminate answer choices B, C, and E.
Statement Two Alone:
The total number of shirts and dresses in the closet is 26.
Using the information in statement two, we can create the following equation:
9x + 4x = 26
13x = 26
x = 2
Once again, since we have determined the value of x, we have enough information to answer the question. Statement two is also sufficient to answer the question.
Re: The only articles of clothing in a certain closet are shirts, dresses,
[#permalink]
21 Feb 2018, 19:38
Expert Reply
ethelcurtis wrote:
i think The answer is (1) if i am correct please tell me
Hi ethel curtis,
If you click the correct answer (it's underneath the question) or you read any of the explanations in this thread, you see that the correct answer is actually
The only articles of clothing in a certain closet are shirts, dresses,
[#permalink]
07 Mar 2019, 11:39
2
Top Contributor
Expert Reply
Bunuel wrote:
The only articles of clothing in a certain closet are shirts, dresses, and jackets. The ratio of the number of shirts to the number of dresses to the number of jackets in the closet is 9:4:5, respectively. If there are more than 7 dresses in the closet, what is the total number of articles of clothing in the closet?
(1) The total number of shirts and jackets in the closet is less than 30 (2) The total number of shirts and dresses in the closet is 26
Target question:What is the total number of articles of clothing in the closet?
Given: The ratio of the number of shirts to the number of dresses to the number of jackets in the closet is 9:4:5, respectively. If shirts : dresses : jackets = 9 : 4 : 5, then there are infinitely many scenarios: - There are 9 shirts, 4 dresses and 5 jackets - There are 18 shirts, 8 dresses and 10 jackets - There are 27 shirts, 12 dresses and 15 jackets - There are 36 shirts, 16 dresses and 20 jackets - There are 45 shirts, 20 dresses and 25 jackets etc...
Also given: There are more than 7 dresses in the closet This means the first scenario (9 shirts, 4 dresses and 5 jackets) is not possible. This leaves us with the following cases: case i: 18 shirts, 8 dresses and 10 jackets case ii 27 shirts, 12 dresses and 15 jackets case iii 36 shirts, 16 dresses and 20 jackets case iv 45 shirts, 20 dresses and 25 jackets . . . etc
Statement 1: The total number of shirts and jackets in the closet is less than 30 When we check the possible cases, we see that only case i meets this condition. This means there MUST be 18 shirts, 8 dresses and 10 jackets So, the answer to the target question is the total number of articles of clothing = 18 + 8 + 10 = 36 Since we can answer the target question with certainty, statement 1 is SUFFICIENT
Statement 2: The total number of shirts and dresses in the closet is 26 Only case i meets this condition. So, the answer to the target question is the total number of articles of clothing = 18 + 8 + 10 = 36 Since we can answer the target question with certainty, statement 2 is SUFFICIENT
Answer: D
Cheers, Brent
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Re: The only articles of clothing in a certain closet are shirts, dresses,
[#permalink]
27 Aug 2020, 09:53
Given: The only articles of clothing in a certain closet are shirts, dresses, and jackets. The ratio of the number of shirts to the number of dresses to the number of jackets in the closet is 9:4:5, respectively.
Asked: If there are more than 7 dresses in the closet, what is the total number of articles of clothing in the closet?
Let the number of shirts, dresses and jackets in the closet be 9x, 4x & 5x respectively 4x > 7 x > 7/4 > 1 Since x is an integer, x>=2
(1) The total number of shirts and jackets in the closet is less than 30 9x + 5x = 14x < 30 x < 30/14 <3 2<=x<3 x = 2 The total number of articles of clothing in the closet = 9x + 4x + 5x = 18x = 36 SUFFICIENT
(2) The total number of shirts and dresses in the closet is 26 9x + 4x = 13x = 26 x = 2 The total number of articles of clothing in the closet = 9x + 4x + 5x = 18x = 36 SUFFICIENT
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