28. Consider the following code. Is there a syntax error, and if so, what is it? class Car { public: Car(double tank_siz); double get_tankSize() const; void set_tankSize(double size); private: double tank_size; }; class Chevy : public car { public: Chevy(); double get_mpg() const; void add_miles(double miles); private: double tank_size; double engine_size; double miles_travelled; }; double Chevy::get_mpg() const { return miles_travelled/tank_size; }