Question

If David walks 1/2 mile in 1/4 hour, then how fast does David walk in one hour? ( In other words what is Davids unit rate?)

Answer 1

1/2 mile   in  1/4   hour    |just  multiply by 4

4 * 1/2  miles  in  4 * 1/4  hour 

2 miles  in  1 hour

Davids walked 2 miles per hour  (his velocity was 2mph)