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skilled or semi-skilled

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Intern
Joined: 10 Nov 2004
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22 Nov 2004, 13:02
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

This one is from Kaplan:

It is not difficult question but I am looking for ideas how to gamble correctly, if you dont have time to do the calculation , what will be the best way to approach it in order to answer it.

The 84 workers at certain plan are either skilled or semi-skilled
semi skilled workers earn 12,000$per year skilled worker earn 18,000$ per year
each of the worker is given productivity bonus of 3% of the annual salary
the total amount of the bonus that was awarder is 32,760\$
what precent of the worker in the plan are skilled

8%
6 2/3%
20%
25%
33 1/3%
 Kaplan GMAT Prep Discount Codes e-GMAT Discount Codes Math Revolution Discount Codes
Director
Joined: 31 Aug 2004
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23 Nov 2004, 09:40
I do not figure out any easy way for this one except solving it basically :

84 = A+B
32760 = 3%.(12000.A+18000.B)
Manager
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23 Nov 2004, 10:39
I agree. You'd need to go all the way
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24 Nov 2004, 00:35
Is the correct answer 16 2/3%???
Senior Manager
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24 Nov 2004, 12:30
Is it possible to eliminate whole numbers straight away? This leaves us with two options: 6 2/3% and 33 1/3%. Since the latter is way off the mark considering the figures at a first glance, I'd eliminate it as well.

This leaves us with only one option.
A thought?   [#permalink] 24 Nov 2004, 12:30
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