The speed, s, of an ant (in centimeters per second) is related to the temperature, t (in degrees Celsius), by the formula
 S = 0.167 -0.67
 If an ant is moving at 4 centimeters per second, what is the temperature? Round your answer to the nearest degree.
 a. 400
 b. 2700
 C. 28°C
 d. 24°C