(04.04 MC)
An oil company fills 1/12 of a tank in 1/3 of an hour. At this rate, which expression can be used to determine how long will it take for the tank to fill completely? (1 point)
Select one:
a. 1/12 ⋅ 3 hours
b. 1/3 ⋅ 12 hours
c. 1/3 ⋅ 1/12 hour
d. 3 ⋅ 12 hours