Physics/Chemistry
posted by Casey .
1 L of 20 degrees C water is mixed with 4 L of 40 degrees celcius water. What will be the temp of this mixture?
the only thing i know is like
V/T = V/T but im not sure how it relates to this problem, if at all.

1L*20C+4L*40C=5L*??
solve for ??
20+160=5??
??? = 180/5 or 36C
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