Transformar A) 12millas / horas a metros / segundos.
<img src="https://tex.z-dn.net/?f=12.%28%5Cfrac%7Bmill%7D%7Bh%7D%20%29.%28%5Cfrac%7B1609.34mts%7D%7Bmill%7D%20%29.%28%5Cfrac%7B1h%7D%7B3600s%7D%20%29%3D5%2C364%5Cfrac%7Bmts%7D%7Bs%7D" />B) 80pies / segundos a kilómetros / hora.
<img src="https://tex.z-dn.net/?f=80.%28%5Cfrac%7Bft%7D%7Bs%7D%20%29.%28%5Cfrac%7B1%20mts%7D%7B3%2C28ft%7D%20%29.%28%5Cfrac%7B1Km%7D%7B1000mts%7D%20%29.%28%5Cfrac%7B3600s%7D%7B1h%7D%20%29%3D87%2C78%5Cfrac%7BKm%7D%7Bh%7D" />
C) 1500 litros a metros ^ 2.
<img src="https://tex.z-dn.net/?f=1500L.%28%5Cfrac%7B%20mts%5E%7B3%7D%20%7D%7B1000L%7D%20%29%3D%201%2C5mts%5E3" />.