Question

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

1/5 x 10 hours
1/10 x 5 hours
1/5 x 1/10 hour
5 x 10 hours

Answer 1

The answer is A. I really don’t know how to explain since I searched it up lol