Question

como convierto 9km/h a m/min?

Answer 1

Vamos allá:
1km=1000m
1h=60min

Entonces:

9Km/h(1000m/1km)(1h/60min)=150 m/min

Answer 2

1Km=1000m 1h=60min 9Km/h*1h÷60min*1000m÷1Km=9060m/min