In the equation D r t to solve for r what should I doSolut

In the equation D = r * t, to solve for \"r\" what should I do.

Solution

distance =rate *time
rate =speed
d=r*t
to solve for r divide both sides by t
d/t=r
to solve for t divide by r
d/r=t
be sure that speed and time are the same
mph and hours
not mph (hours) and minutes