Respuesta :

The answer is A.) Division

Answer:

Option: A is the correct answer.

( A. Division)

Step-by-step explanation:

We know that the speed of a person ;if a person travels 10 km in 1 hour is given as:

10 Kilometer per hour ( km/hr).

Since, the speed is defined as:

[tex]Speed=\dfrac{Distance}{Time}[/tex]

( so, the speed is the ratio of distance to time i.e. we can say that distance divided by time)

So, the unit All per-unit concepts rely on ratios, meaning division.