SOLUTION: The cost for manufacturing a CD varies inversely with the number of CDs made. If the cost is $2.50 per CD when 10,000 are made, then what is the cost per CD when 100,000 are made?

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Question 328730: The cost for manufacturing a CD varies inversely with the number of CDs made. If the cost is $2.50 per CD when 10,000 are made, then what is the cost per CD when 100,000 are made?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
The cost for manufacturing a CD varies inversely with the number of CDs made. If the cost is $2.50 per CD when 10,000 are made, then what is the cost per CD when 100,000 are made?
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c = k/n
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Find "k" using c=2.5 when n = 10,000
2.5 = k/10000
k = 25000
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Equation:
c = 25000/n
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Solve for "c" when n = 100,000
c = 25000/100000
c = $0.25
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cheers,
Stan H.
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