David ran the 50 yard dash in 7.2 seconds, and won the event. Justin came in second with a time of 8.1 seconds. How much better was david’s time than Justin’s

Respuesta :

Answer:

0.9 seconds

Step-by-step explanation:

Since Justin came in slower, you would put his time first:

8.1 - 7.2

Doing that gets you 0.9