[填空题]
What is the dew point (approio wjs n t08ca0* *1hgf(s5 e,pyqe-l9apf0rmximately) if the humidity is 50s xhwl0/a uc+)h zvq0)% on a day when the temperawa) 0usz+ hlcqh/x0)v ture is 25 $^{\circ} $ C?$\approx$ $^{\circ} $ C(Round to the nearest integer)