Answer and Explanation:
Currently, in order to construct a method to measure the [tex]miles\times rate[/tex] within VBA, so we have to follow these steps.
Firstly, Construct the cost as well as rate method measurement as the variables.
That is : [tex]Function\;mileage(miles,\;rate)[/tex]
[tex]mileage = miles \times rate[/tex]
[tex]END\;Function[/tex]
The following function will returns the mileage as the result that is [tex]miles\times rate[/tex].