题目信息
If C is the temperature in degrees Celsius and F is the temperature in degrees Fahrenheit, then the relationship between temperatures on the two scales is expressed by the equation 9C = 5(F – 32). On a day when the temperature extremes recorded at a certain weather station differed by 45 degrees on the Fahrenheit scale, by how many degrees did the temperature extremes differ on the Celsius scale?
A:
B:13
C:25
D:45
E:81
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正确答案：
C:25
Algebra Formulas
Let F represent the larger extreme on the Fahrenheit scale. Then, F – 45 is the smaller extreme. It follows that the difference in the temperatures on the Celsius scale is
= 25.
The correct answer is C.
Let F represent the larger extreme on the Fahrenheit scale. Then, F – 45 is the smaller extreme. It follows that the difference in the temperatures on the Celsius scale is
= 25.The correct answer is C.
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