Answers

2015-10-22T04:42:43+08:00
15/400 = 0.0375
20/30 = 0.6667
15/200 =0.0750
1/3= 0.3333
3/5=0.6000
0
2015-10-24T17:21:38+08:00
0.0375, 0.6667, 0.0750, 0.3333 and 0.6000
0