Ike swims a 1/2 mile every 1/4hour.How far will he swim in 1 hour?
We could solve this as a proportion....let's use some logic, instead
If he swims 1/2 mi in 1/4 of an hour......then one hour is four times as long.....so .....he must swim 4 times as far...so....
4 * (1/2) = 4/2 = 2 miles