How to rewrite division expression in unit form?

Take the division problem, and get the decimal answer, using a calculator, for example, 5 meters in 20 seconds, 5/20 is .25, so the unit form in this example would be .25 meters per second, dont forget the per, a unit expression basicly is the same ratio as the division problem but having a one on the right side, like in my example, .25 meters per 1 second

Provide an equation