Xiaoming and Xiaoqiang run at 6m / s and 8m / s respectively. They practice running east and south from the same point at the same time. How many seconds does it take from the start? They can be 160m apart

16 seconds

Xiaojun's walking distance is 14 more than Xiaohong's, but Xiaohong's walking time is 110 more than Xiaojun's______ ．

The distance ratio of Xiaojun and Xiaohong is: (1 + 14): 1 = 54:1 = 5:4; the time ratio of Xiaojun and Xiaohong is: 1: (1 + 110) = 1:1110 = 10:11; then the speed ratio of Xiaojun and Xiaohong is: (5 ﹣ 10): (4 ﹣ 11) = 510:411 = 11:8

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