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

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If it is assumed that each of the n production workers in a [#permalink]

12 Jun 2003, 20:15

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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12 Jun 2003, 20:35

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, 13:33, edited 1 time in total.

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13 Jun 2003, 11:48

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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15 Jun 2003, 09:18

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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11 Feb 2004, 14:34

AGREE with MBA04. Ans should be 450n/t

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11 Feb 2004, 15:51

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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shubhangi

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12 Feb 2004, 06:05

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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12 Feb 2004, 09:25

agreee
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shubhangi

[#permalink] 12 Feb 2004, 09:25

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

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

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

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