Question 558954
Hint:  The word "in" means "per" (the same as the symbol "/") which means division.  So try dividing.


But you also need to convert minutes to hours, since they give you a number in minutes, but they want an answer in hours.  See that?


So {{{.5/12}}} miles/minute is what you have when you divide.


Then the conversion factor from minutes to hours is {{{60 minutes/1 hour}}}.  


So you multiply your answer by the conversion factor so the minutes cancel, leaving hours.


{{{.5/12}}} miles/minute * {{{60/1}}} minutes/hour


The minute units cancel top to bottom leaving miles per hour.  So see how many miles per hour you get once you multiply and divide everything as shown here.