Question

It takes Oliver 30 minutes to walk to school everyday a distance of 1.5 miles. what is Oliver speed in miles per hour

Answer 1

1.5 miles/30 minutes is your unit rate. If you multiply the rate by 2 you would get 3 miles/hour.

So your final answer would be 3 miles per hour.
Hope this helps.

Answer 2

So it Oliver's speed is 1.5miles per 30 minutes (half an hour)
Multiply this by 2, to get is speed per 60 minutes (a full hour)

1.5 x 2 = 3miles

Oliver's speed is 3miles per hour