How far would a horse that rides at 8.1 m/s travel and 8.5 minutes

V = S/t

The time is in minutes, it needs to be converted to seconds, because the Velocity 8.1meters/second.

1 min 60 secs
8.5 min x secs
-> x = 8.5 . 60
-> x = 510secs

-> 8.1 = S/510
-> 510 x 8.1 = S
-> S = 4131 meters

No it doesnt because it can be any number.

Ithink the answer would be a