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# Farm A had an average output of 300 kgs of wheat per acre.

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Senior Manager
Joined: 10 Apr 2012
Posts: 268
Location: United States
Concentration: Technology, Other
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Farm A had an average output of 300 kgs of wheat per acre.  [#permalink]

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25 Jun 2013, 12:33
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Difficulty:

15% (low)

Question Stats:

82% (02:38) correct 18% (02:56) wrong based on 74 sessions

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Farm A had an average output of 300 kgs of wheat per acre. Farm B had an average output of 350 kgs of wheat per acre. It is known that Farm B's area is 15 acres less than Farm A's. It is also known that Farm B in total harvested 2000 kgs of wheat more than Farm A. What is the area of Farm A?

(A) 130 acres
(B) 135 acres
(C) 145 acres
(D) 160 acres
(E) 180 acres
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Posts: 53020
Re: Farm A had an average output of 300 kgs of wheat per acre.  [#permalink]

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25 Jun 2013, 12:39
2
guerrero25 wrote:
Farm A had an average output of 300 kgs of wheat per acre. Farm B had an average output of 350 kgs of wheat per acre. It is known that Farm B's area is 15 acres less than Farm A's. It is also known that Farm B in total harvested 2000 kgs of wheat more than Farm A. What is the area of Farm A?

(A) 130 acres
(B) 135 acres
(C) 145 acres
(D) 160 acres
(E) 180 acres

The area of Farm A = x acres;
The area of Farm B = x-15 acres.

Total output of Farm A = 300x kgs;
Total output of Farm B = 350(x-15) kgs.

Farm B in total harvested 2000 kgs of wheat more than Farm A: 300x+2000=350(x-15) --> x=145 acres.

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Re: Farm A had an average output of 300 kgs of wheat per acre.  [#permalink]

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25 Jun 2013, 12:49
Bunuel wrote:

Farm B in total harvested 2000 kgs of wheat more than Farm A: 300x+2000=350(x-15) --> x=145 acres.

I added 2000 to Farm B and was wondering what is wrong . I need a break from studies this evening .
PS: changed the Q to sub600.

thanks Bunuel
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Re: Farm A had an average output of 300 kgs of wheat per acre.  [#permalink]

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25 Jun 2013, 18:14
guerrero25 wrote:
Bunuel wrote:

Farm B in total harvested 2000 kgs of wheat more than Farm A: 300x+2000=350(x-15) --> x=145 acres.

I added 2000 to Farm B and was wondering what is wrong . I need a break from studies this evening .
PS: changed the Q to sub600.

thanks Bunuel

I assume that you calculated total output for farm B = 350*(x -15), and then added 2000 to it, Is that correct?
Because the question says: Farm B in total harvested 2000 kgs of wheat more than Farm A ==> Total output of farm A less than that of farm B

==> Total output of farm A + 2000 = Total output of farm B
--OR--
==> Total output of farm A = total output of farm B - 2000

Hope it's clear.
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Re: Farm A had an average output of 300 kgs of wheat per acre.  [#permalink]

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13 Dec 2017, 05:17
Hello from the GMAT Club BumpBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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Re: Farm A had an average output of 300 kgs of wheat per acre.   [#permalink] 13 Dec 2017, 05:17
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