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January 25, 2015

January 25, 2015

Posted by **rozzell** on Sunday, September 25, 2011 at 9:12pm.

- math -
**Reiny**, Sunday, September 25, 2011 at 10:24pmC ∝ t

or

C = kt, where k is a constant

for C=30 , t = 12

30 = k(12)

k = 30/12 = 5/2

C = (5/2)t

so for t=60

C = (5/2)(60) = 150

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