Question

An oil company fills 1 over 12 of a tank in 1 over 3 hour. At this rate, which expression can be used to determine how long will it take for the tank to fill completely? help me plss D:

Answer 1

1/12t=1/3h

t=?

1/12t*12=t

t=(1/3h)*12

t=4h

filling the tank takes 4 hours.