Half the graduating class of a college was accepted by a business school. One-third of the class was accepted by a law school. If one-fifth of the class was accepted by both types of school, what fraction of the class was accepted only by a law school?

প্রশ্নঃ Half the graduating class of a college was accepted by a business school. One-third of the class was accepted by a law school. If one-fifth of the class was accepted by both types of school, what fraction of the class was accepted only by a law school?