两个书架，甲书架存书的1/4相当于乙书架的2/5，甲书架比乙书架多存120本。乙书架存书多少本？*Z/\9^+p-u.b0T,c
算式：提示*m5]0k;D/Z.O1d:B6m7?+\*Z/\9^+p-u.b0T,c
答：乙书架存书;K'?:C)g,i(H1y:Z本。*Z/\9^+p-u.b0T,c