A Fahrenheit and Celsius Problem

Algebra Level 2

C=(5/9)(F−32)

The equation above shows how temperature F, measured in degrees Fahrenheit, relates to a temperature C, measured in degrees Celsius. Based on the equation, which of the following must be true?

I. A temperature increase of 1 degree Fahrenheit is equivalent to a temperature increase of (5/9) degree Celsius.

II. A temperature increase of 1 degree Celsius is equivalent to a temperature increase of 1.8 degrees Fahrenheit.

III. A temperature increase of (5/9) degree Fahrenheit is equivalent to a temperature increase of 1 degree Celsius.

Both I and II Both II and III III only I only II only

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