Respuesta :

You do 822.6 divided by 18
It is equal to 45.7
45.7 km per hour

we know that

A unit rate is a ratio between two different units with a denominator of one

In this problem to find the unit rate divide the total distance by the total time

so

[tex]\frac{822.6}{18} \frac{Km}{hours}= 45.7\frac{Km}{hour}[/tex]

therefore

the answer is

The unit rate is equal to [tex] 45.7\frac{Km}{hour}[/tex]