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If it is assumed that each of the n production workers in a

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Eternal Intern
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If it is assumed that each of the n production workers in a [#permalink] New post 12 Jun 2003, 19:15
If it is assumed that each of the n production workers in a factory assembles one instrument every t minutes, how many instruments does the factory assemble in 7.5 hours of production ?
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 [#permalink] New post 12 Jun 2003, 19:35
N workers remain the same.

t min to produce 1 instrument => t/60 h to produce 1 instrument.

Instruments created in 7.5 hrs = 7.5*60 / t = 450/t

Last edited by tzolkin on 13 Jun 2003, 12:33, edited 1 time in total.
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 [#permalink] New post 13 Jun 2003, 10:48
I have a differente answer

t/60 hours for 1 piece

7.5 / (t/60) is amount of pieces in 7.5 hours

So (60*7.5) n / t

450 n / t
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 [#permalink] New post 15 Jun 2003, 08:18
i have a different answer:

for 1 instrument it needs nt worker minutes
no of instruments in 7.5*60 minutes= 7.5*60/nt
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 [#permalink] New post 11 Feb 2004, 13:34
AGREE with MBA04. Ans should be 450n/t
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 [#permalink] New post 11 Feb 2004, 14:51
I agree with 450/t ..it does'nt ask for each worker.. so why do u want to divide with the number of workers.. am i right.. or wrong??
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 [#permalink] New post 12 Feb 2004, 05:05
Shubhangi , the question asks for the instruments assembled by all the N workers and not by an individual workers.
1 Worker will make 450/t instruments and N will make 450N/t.
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 [#permalink] New post 12 Feb 2004, 08:25
:yes agreee
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  [#permalink] 12 Feb 2004, 08:25
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