A degree-day is a unit used to measure the fuel requirements of buildings. By definition, each degree that the average daily temperature is below 65°F is 1 degree-day. For example, an average daily temperature of 42°F constitutes 23 degree-days.If the average temperature on January 1 was 42°F and fell 2°F for each subsequent day up to and including January 10,how many degree-days are included from January 1 to January 10?

Trigonometry (MindTap Course List)
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ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
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A degree-day is a unit used to measure the fuel requirements of buildings. By definition, each degree that the average daily temperature is below 65°F is 1 degree-day. For example, an average daily temperature of 42°F constitutes 23 degree-days.If the average temperature on January 1 was 42°F and fell 2°F for each subsequent day up to and including January 10,how many degree-days are included from January 1 to January 10?

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