At 298 K, the enthalpy of fusion of a solid (X) is and the enthalpy of vaporization of the liquid (X — Thermodynamics and Thermochemistry Chemistry Question

Question

At 298 K, the enthalpy of fusion of a solid (X) is and the enthalpy of vaporization of the liquid (X) is . The enthalpy of sublimation of the substance (X) in is ____________. (in nearest integer)