An oil company fills 1/10 of a tank in 1/5 hour. At this rate, which expression can be used to determine how long will it take for the tank to fill completely?

1 /5 ⋅ 10 hours
1/10 ⋅ 5 hours
1/ 5 ⋅ 1 /10 hour
5 ⋅ 10 hours

Question

An oil company fills 1/10 of a tank in 1/5 hour. At this rate, which expression can be used to determine how long will it take for the tank to fill completely?

 1 /5 ⋅ 10 hours
 1/10 ⋅ 5 hours
 1/ 5 ⋅ 1 /10 hour
 5 ⋅ 10 hours

anonymous · Answer

would it be c?

anonymous · Answer

The answer is A.

If the tank if filled by a tenth (1/10) every 12 minutes then it would take 120 minutes to fill the tank completly. 120 minutes equals 2 hours

anonymous · Answer

1/5 or .20 multiplied by 10 hours equals 2 hours

anonymous · Answer

oh and 1/5 of an hour or 0.2 multiplied by 60 minutes equals 12 minutes if that part confused you, hope I helped

anonymous · Answer

oh ok thank you