Wich speed is fastest 18feet in 20minuts. 90 feet in 2.5hours and 20 yards in 1.5 hours

The awnser is 18 feet in 20 min because if you mak it into proportions then you you con vert tk fractions than you can see.

So, it is between 18 feet in 20 minutes and 20 yards in 2.5 hours. So, if you make 18 feet into 90 and 20 minutes into 100 minutes, you get 90 feet and about 1.5 hours vs 90 feet in 1.5 hours. So, I think the answer is 18 feet in 20 minutes, but you will do the hardest part to find out what 20 yards in 1.5 hours is equilvalent to in feet.