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

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The cost of production of a certain instrument is directly p [#permalink]  13 Apr 2019, 15:37
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100% (00:45) correct 0% (00:00) wrong based on 2 sessions
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
[Reveal] Spoiler: OA

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The cost of production of a certain instrument is directly p   [#permalink] 13 Apr 2019, 15:37
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