For this case we have that in 80 min there are:

Then, according to the options:
- The number of hours in decimal form is 1.3?
No, in decimal form it is 1.333333
- The amount of time is one full hour and \ frac {1} {3} hours?
Yes, 1 hour and
hour is equivalent to 1.333333
- Is the number of hours a final decimal?
No, it is a periodic decimal number.
- The number of hours is between 1 and 1.35?
Yes, the resulting number belongs to that range.
- Dividing 6 by 8 will give the correct decimal value?
No, you must divide

Answer:
Option B, D