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Suppose that you developed a new temperature scale based upon the freezing and boiling point of ethylene glycol, which are -11.50, and 197.6, respectively. The temperature scale is called °M and has a value of 0°M at the freezing point and 100°M at the boiling point of ethylene glycol. What would the temperature be in degrees centigrade, if it was 20.916°M?

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