Question

David ran the 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 davids time than justins

Answer 1

0.9 seconds

Explanation:

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

8.1 - 7.2

Doing that gets you 0.9

Answer 2

david was. 9 seconds faster than Justin.

Explanation:

8.1-7.2= .9