During recent periods when the Vargonian economy has been strong, almost 25 percent of Vargonian children have attended privately funded schools, many of which charge substantial fees.
A:设current的st比是100:1,再假设current和recession时的学生数量和教师数量都没有变化,那么当下次recession到来的时候,根据题目最后一句话current student-teacher ratios not be exceeded,也就是说future的st不会超过100:1,不会超过这个比例就意味着教师不会下岗,用数学表达就是设总student为A,teacher为B,则A/100=B,当分母100不会增大时,B是不会缩小的。