There is no answer to the question as posed, for the units of Time (hours), and Memory Capacity (GB) are incompatible, or at least un-related.
12.5 hours.
12000 seconds is equal to 200 minutes or 3 hours and 20 minutes.
140 hours is equal to 5.83 days.
6,000 minutes = 100 hours.
18,000 seconds is five hours.
Quite many hours actually.
2,000,000 kilobites are in 2gb.
6 hours equal 360 minutes.
35,000 seconds equal 9.72 hours.
6 hours equal 0.0013889 months.
Two hours
Ten hours.
dear friend, I think you are confused with 2GB hard disc space and 2GB RAM...
150 hours
They are the same - sometimes they use GB (Gigabyte) or G (gigs). They are equal.
Two days equal 48 hours.
144 hours is equal to 6 (six) days.