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centigrade

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Fahrenheit and centigrade 2007-04-18
From kyrie:
help ? temperature formula: f and c represent degree's of temperature.
exact formula:
f = 9c / 5 + 32
approx formula:
f = 2c + 30

at what temp in c do these formulae give an equal value for f ?

Answered by Stephen La Rocque.
 
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