Art mows 1/8 acre in 1/4 hour. How many acres does art mow per hour?
(1/8) / (1/4) =
(1/8) x (4/1) =
4/8 = 1/2 acre per hour
1/8 an acre per quarter of an hour. One hour has 4 quarters in it, that gives 4/8 an acre per hour. Reduce 4/8 and you get 1/2 an acre per hour.
You can simply use the cross multiplication rule to find the answer