Respuesta :

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.
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