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# The cost of production of a certain instrument is directly proportiona

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Math Expert
Joined: 02 Sep 2009
Posts: 62501
The cost of production of a certain instrument is directly proportiona  [#permalink]

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09 Apr 2019, 23:43
00:00

Difficulty:

15% (low)

Question Stats:

100% (00:33) correct 0% (00:00) wrong based on 15 sessions

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The cost of production of a certain instrument is directly proportional to the number of units produced. The cost of production for 300 units is \$300. What is the cost of production for 270 units?

(A) 270
(B) 300
(C) 325
(D) 370
(E) 395

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Re: The cost of production of a certain instrument is directly proportiona  [#permalink]

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10 Apr 2019, 02:09
Bunuel wrote:
The cost of production of a certain instrument is directly proportional to the number of units produced. The cost of production for 300 units is \$300. What is the cost of production for 270 units?

(A) 270
(B) 300
(C) 325
(D) 370
(E) 395

cost of production of a certain instrument is directly proportional to the number of units produced ; means cost of 1 unit = 1 \$
so 270 units = 270 \$
IMO A
Re: The cost of production of a certain instrument is directly proportiona   [#permalink] 10 Apr 2019, 02:09
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