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# Running at the same constant rate, 6 identical machines can

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Math Expert
Joined: 02 Sep 2009
Posts: 55681
Running at the same constant rate, 6 identical machines can  [#permalink]

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06 May 2012, 06:29
1
3
00:00

Difficulty:

5% (low)

Question Stats:

95% (00:50) correct 5% (00:56) wrong based on 277 sessions

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sravanth wrote:
Running at the same constant rate, 6 identical machines can produce a total of 270 bottles per minute. At this rate, how many bottles could 10 such machines produce in 4 minutes?

(A) 648
(B) 1,800
(C) 2,700
(D) 10,800
(E) 64,800

6 machines produce 270 bottles per minute;
1 machine produces 270/6=45 bottles per minute;
10 machines produce 45*10=450 bottles per minute;

In 4 minutes 10 machines produce 450*4=1,800 bottles.

Answer: B.

OPEN DISCUSSION OF THIS QUESTION IS HERE: running-at-the-same-constant-rate-6-identical-machines-can-137536.html

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Joined: 26 Nov 2011
Posts: 13
Re: Running at the same constant rate, 6 identical machines can  [#permalink]

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21 Jun 2012, 02:30
Productivity per machine = x

6x = 270

x = 270/6 per minute

Production by 10 machines in 4 minutes = 10 * 270/6 * 4 = 1800
Math Expert
Joined: 02 Sep 2009
Posts: 55681
Re: Running at the same constant rate, 6 identical machines can  [#permalink]

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12 Mar 2018, 05:02
Bunuel wrote:
sravanth wrote:
Running at the same constant rate, 6 identical machines can produce a total of 270 bottles per minute. At this rate, how many bottles could 10 such machines produce in 4 minutes?

(A) 648
(B) 1,800
(C) 2,700
(D) 10,800
(E) 64,800

6 machines produce 270 bottles per minute;
1 machine produces 270/6=45 bottles per minute;
10 machines produce 45*10=450 bottles per minute;

In 4 minutes 10 machines produce 450*4=1,800 bottles.

Answer: B.

OPEN DISCUSSION OF THIS QUESTION IS HERE: running-at-the-same-constant-rate-6-identical-machines-can-137536.html

--== Message from the GMAT Club Team ==--

THERE IS LIKELY A BETTER DISCUSSION OF THIS EXACT QUESTION.
This discussion does not meet community quality standards. It has been retired.

If you would like to discuss this question please re-post it in the respective forum. Thank you!

To review the GMAT Club's Forums Posting Guidelines, please follow these links: Quantitative | Verbal Please note - we may remove posts that do not follow our posting guidelines. Thank you.

_________________
Re: Running at the same constant rate, 6 identical machines can   [#permalink] 12 Mar 2018, 05:02
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# Running at the same constant rate, 6 identical machines can

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