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Posted by **G** on Monday, February 11, 2008 at 10:50am.

F-Fahrenheit temperature

C=Celsius temperature

Convert 100 degress Fahrenheit to the Celsius temperature scale.

Book says answer is 37.78 Celsius

I am not arriving at this answer.

- Algebra -
**Dr Russ**, Monday, February 11, 2008 at 11:04amSubstitute the 100 degrees F

100=9/5C+32

subtract 32 from each side

100-32=9/5C

68=9/5C

68x5/9=C

so

C=37.8

Is this OK. Can you see where you went wrong?

- Algebra -
**G**, Monday, February 11, 2008 at 11:08amThank you for your response

I am not sure where I went wrong. I will review the calculation your provided later.

Your assistance is greatly apreciated.

- Algebra -
- Algebra -
**drwls**, Monday, February 11, 2008 at 11:04amUsing your equation F = (9/5) C + 32, which IS the correct equation,

100 = (9/5) C + 32

(9/5) C = 68

C = (5/9)*68 = 37.78 (or 37 7/9)

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