Respuesta :

35.78 can round up to 36 seconds and 39.51 will round up to 40 seconds.
40-36 = 4
Bailey won by 4 seconds.

Answer:

4 Seconds

Step-by-step explanation:

Bailey: 35.78 ---> Round up ----> 36

Elena: 39.51 ----> Round up ----> 40

40

36 -

04

Answer: 4