Answer:
-1/12
Step-by-step explanation:
you jus gotta substract and jawnt uerme! i know you got dis wrong, dont bluff cutie...
-1/12 Is the right answer for this.
6:20
One hour less of 7:30 is 6:30 -20 min= 6:20
The choice A.
I hope I helped you^_^
c ...........................