机警讨论（2）几提的2求解？

tigersun

、在春天，xx的行进速度是528mile每100天，问时速。 how to get the answer? 45% the apartments with <=3 people living in each one. What’s the median? (1)80% of the apartments have <=5 (2)35% of the apartments have >=5 ###(C) Note: Median is 4 -------------------------- B Why not D?

tongxun

第2题：
条件1）：中数有可能是5、或4。
条件2）：中数为4
第一题：
528/（100*24）