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Re: Of the 3,600 employees of Company X, 1/3 are clerical. If the clerical [#permalink]
what percent of the total number of the remaining employees would then be clerical?

The questions states "remaining employees".
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Re: Of the 3,600 employees of Company X, 1/3 are clerical. If the clerical [#permalink]
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can do the same with smaller no.(though in thsi sum the numbers are easy to divide) this method will be very useful later

consider total members 90. 30 Cl.... 10 left

so 20/80=25%
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Re: Of the 3,600 employees of Company X, 1/3 are clerical. If the clerical [#permalink]
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nfa1rhp wrote:
I'm new to this community, what do you suggest is the best way for me to post my questions? I need lots of help with quant. Should I find a thread to post my question or is there a general place to place your questions. Below is a sample of a question, where would place this?

Of the 3,600 employees of Co X, 1/3 are clerical. If the clerical staff were to be reduced by 1/3, what percent of the total number of the remaining employees would then be clerical?


ANS
A) 25%
B) 22.2%
C) 20%
D) 12.5%
E) 11.1%

MY ISSUE IS FINDING A QUICK METHOD TO COMPUTE THIS PROBLEM


The figure 3600 is misleading. Since the answer demands percentages and the statements use ratio, we can pick any number to our convenience.
For easier calculation take 36
So clerical employees left = 36 x 1/3 x 1/3 = 4
Remaining clerical employees = 36 x 1/3 - 4 = 8
Total employees left = 36-4 = 32
Req percentage = (Remaining clerks/Total remaining employees)*100 = 8/32*100 = 25%
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Re: Of the 3,600 employees of Company X, 1/3 are clerical. If the clerical [#permalink]
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nfa1rhp wrote:
Of the 3,600 employees of Company X, 1/3 are clerical. If the clerical staff were to be reduced by 1/3, what percent of the total number of the remaining employees would then be clerical?

(A) 25%
(B) 22.2%
(C) 20%
(D) 12.5%
(E) 11.1%


We are given that there are 1/3 x 3,600 = 1,200 clerical employees. If that number is reduced by 1/3, there are now 2/3 x 1,200 = 800 clerical employees. Also, the total number of employees at the company will be reduced from 3,600 to 3,200.

Thus, the new percentage of clerical employees would be 800/(3600 - 400) = 800/3200 = 25%.

Answer: A
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Re: Of the 3,600 employees of Company X, 1/3 are clerical. If the clerical [#permalink]
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nfa1rhp wrote:
Of the 3,600 employees of Company X, 1/3 are clerical. If the clerical staff were to be reduced by 1/3, what percent of the total number of the remaining employees would then be clerical?

(A) 25%
(B) 22.2%
(C) 20%
(D) 12.5%
(E) 11.1%



Why does (1/3)*(2/3) = (2/9) = 22.2% not suffice?

Thanks!
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Re: Of the 3,600 employees of Company X, 1/3 are clerical. If the clerical [#permalink]
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I used ratios to solve this one:

From stem - Make a ratio of Clerical: Non-Clerical: Total
1:2:3

Pump that up so its easier to reduce clerical by a third:
3:6:9 -becomes -> 2:6:8 (3 - ⅓(3)=2))

2/8 =¼ = 25%

Cheers
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Re: Of the 3,600 employees of Company X, 1/3 are clerical. If the clerical [#permalink]
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nfa1rhp wrote:
Of the 3,600 employees of Company X, 1/3 are clerical. If the clerical staff were to be reduced by 1/3, what percent of the total number of the remaining employees would then be clerical?

(A) 25%
(B) 22.2%
(C) 20%
(D) 12.5%
(E) 11.1%


If 1/3 of the 3,600 employees are clerical, then there are 1200 clerical workers.

If 1/3 of the 1200 clerical staff are laid off, then 400 clerical workers are laid off.

This means there are 800 clerical workers remaining.

Since 400 workers were laid off, the NEW employee population = 3600 - 400 = 3200

"What percent of the total number of the remaining employees would then be clerical?"

Of the 3200 workers, 800 are clerical workers

800/3200 = 1/4 = 25%

Answer: A
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Re: Of the 3,600 employees of Company X, 1/3 are clerical. If the clerical [#permalink]
We have 3,600 employees.

1/3 of 3,600 are clerical = 1,200

Clerical staff was reduced by 1/3 = 800 remaining

Number of remaining employees = 800/3200 = 25%

We remove 400 from 3,600 because the clerical staff was reduced -- they're not going to be kept as an employee in another role.

Answer is A.
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Re: Of the 3,600 employees of Company X, 1/3 are clerical. If the clerical [#permalink]
esonrev wrote:
nfa1rhp wrote:
Of the 3,600 employees of Company X, 1/3 are clerical. If the clerical staff were to be reduced by 1/3, what percent of the total number of the remaining employees would then be clerical?

(A) 25%
(B) 22.2%
(C) 20%
(D) 12.5%
(E) 11.1%



Why does (1/3)*(2/3) = (2/9) = 22.2% not suffice?

Thanks!

Since it's percent of total remaining (2/9)/(8/9)
8/9 is the remaining employee 1- (1/3)(1/3)
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Re: Of the 3,600 employees of Company X, 1/3 are clerical. If the clerical [#permalink]
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Re: Of the 3,600 employees of Company X, 1/3 are clerical. If the clerical [#permalink]
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