In the 100 meter race, Xiao Ming ran for 14 seconds and Xiao Li ran for 18 seconds. How many seconds did they use for each meter on average? Who runs fast? The answer is to score,

In the 100 meter race, Xiao Ming ran for 14 seconds and Xiao Li ran for 18 seconds. How many seconds did they use for each meter on average? Who runs fast? The answer is to score,

Xiao Ming: 14 out of 100 = 50 out of 7
Xiaoli: 18 out of 100 = 50 out of 9
50 out of 7 is greater than 50 out of 9
So Xiao Ming is quick