A thermometer graduated according to a linear scale reads a value x0, when in contact with boiling water and \(\frac{{{x_0}}}{3}\), when in contact with ice. What is the temperature of an object in °C, if this thermometer in the contact with the object reads \(\frac{{{x_0}}}{2}\)?

• A. 35
• B. 60
• C. 40
• D. 25