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The cost of producing z computers is (8,000 + 350z) dollars. When z

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The cost of producing z computers is (8,000 + 350z) dollars. When z  [#permalink]

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New post 25 Nov 2018, 23:44
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A
B
C
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  15% (low)

Question Stats:

88% (01:16) correct 12% (02:43) wrong based on 19 sessions

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The cost of producing z computers is (8,000 + 350z) dollars. When z computers are sold, the amount received is 400z dollars. What is the smallest possible number of computers that could be sold so that the amount received is at least equal to the production cost?

A. 80
B. 100
C. 160
D. 200
E. 320

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Re: The cost of producing z computers is (8,000 + 350z) dollars. When z  [#permalink]

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New post 25 Nov 2018, 23:54
At break even point
cost = revenue
8000+ 300z = 400z
z =160
C is answer.
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Re: The cost of producing z computers is (8,000 + 350z) dollars. When z  [#permalink]

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New post 26 Nov 2018, 21:16
Bunuel wrote:
The cost of producing z computers is (8,000 + 350z) dollars. When z computers are sold, the amount received is 400z dollars. What is the smallest possible number of computers that could be sold so that the amount received is at least equal to the production cost?

A. 80
B. 100
C. 160
D. 200
E. 320



8000+350z=400z
z=160 option C
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Re: The cost of producing z computers is (8,000 + 350z) dollars. When z   [#permalink] 26 Nov 2018, 21:16
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The cost of producing z computers is (8,000 + 350z) dollars. When z

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