Counting by fingures, solution 1 is correct.
wxcfan123
2012-09-18 17:08:47
( reads)
200 people having only money, 20 rejected.
160 people having onlyl time, 50 rejected.
160 people having both, 10 rejected.
万斤油
2012-09-18 20:51:29哈哈，火星人才counting by 'fingures'