College
The Yellowstone National Park sits at an elevation of 8,000 to 11,000 feet above sea level. During the month of June, the temperature at 8,000 feet above sea level was recorded as 650 Fahrenheit, and, at a distance of 10,500 feet feet above sea level, the temperature was recorded as 15 Fahrenheit. For every additional 100 feet above sea level, the temperature decreases by t Fahrenheit, where t is a constant. What is the value of t?