how do you figure out the following measursement question

Question

how do you figure out

if a swimmer swims a 100 meter race with the time of 50.58 seconds and another swimmer swam the same race with the time of 50.59 seconds. How do you Calculate, in inches, the distance the second swimmer was beaten ?

Answer 1

swimmer 1 go 100 meters in 50.58 sekonds

speed=1.97706603 meters/sek

beet swimmer 2 bi 0.01 sek, so distans ahed=1.97706603*0.01

=0.01977066 meters

1 meter=39.37 inch

0.01977066*39.37=0.77837 inch

thats kalled a "foto end"