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Working simultaneously and independently at an identical constant rate

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Intern
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Joined: 15 Oct 2017
Posts: 15
Working simultaneously and independently at an identical constant rate  [#permalink]

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New post 02 Jan 2018, 22:08
Hi guys,

It's always tricky for me to answer this kind of question. I tried Bunuel's method, but somehow I found VeritasPrepKarishma 's method easier. I hope what I posted below is correct. :-)
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Joined: 23 Dec 2011
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Re: Working simultaneously and independently at an identical constant rate  [#permalink]

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New post 03 Aug 2018, 17:45
Let us pick numbers.

Let x = 240

Rate 240/6 = 40/ day
Total unit to produce 240 * 3= 720
Machines required = 720/40 = 18.
Re: Working simultaneously and independently at an identical constant rate &nbs [#permalink] 03 Aug 2018, 17:45

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