# How do you write a story problem that can be solved using 1.5 divided by 0.5?

Billie walks $1.5$ miles in half an hour. What is Billie's walking speed in miles per hour?
In general $\text{speed" = "distance"/"time}$
So in this case $\text{speed" = (1.5" miles")/(0.5" hours") = 3 "miles"/"hour}$