Posted by **mary** on Tuesday, April 26, 2011 at 5:10pm.

The formula for converting Celsius temperatures to Fahrenheit temperatures is

F= 9/5C + 32

where F is the temperature in degrees Fahrenheit and C is the temperature in degrees Celsius. Which formula could be used to convert Fahrenheit temperatures to Celsius temperatures?

Choices are:

C= 5/9F+32

C= 5/9(F-32)

C= 5/9(F+32)

C= 5/9F - 32

My answer C=5/9(F+32)

Am I correct?

- Algebra -
**macy**, Tuesday, April 26, 2011 at 5:15pm
thats wrong the answer is C= 5/9(F - 32)

- Algebra -
**Henry**, Wednesday, April 27, 2011 at 11:21pm
9C/5 + 32 = F,

Multiply both sides by 5:

9C + 5*32 = 5F,

9C = 5F - 5*32,

Factor out 5:

9C = 5(F-32),

C = 5/9(F-32).

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