SOLUTION: C=(5/9) (F-32) Using this equation determine the temmperature at which Fahrenheit & Celsius will be the same.

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: C=(5/9) (F-32) Using this equation determine the temmperature at which Fahrenheit & Celsius will be the same.       Log On


   

Question 1863: C=(5/9) (F-32) Using this equation determine the temmperature at which Fahrenheit & Celsius will be the same.
Answer by longjonsilver(2297) About Me  (Show Source):
You can put this solution on YOUR website!
from memory i think it is -40 degrees, so lets see...
where the 2 scales are the same... so lets re-write f as c. We then get
C+=+%285%28C-32%29%29%2F9
9C+=+5%28C-32%29
9C+=+5C+-+160
4C+=+-160
C+=+-40
there you go.
cheers
Jon.