Answer:
12 meters/seconds
Step-by-step explanation:
43200 meters/hour * 1 hour/60 minutes * 1 minute/60 seconds
hour units cancel out
minute units cancel out
This way of cancelling out units is called
Dimensional Analysis or
Factor-Label Method or
Unit Factor Method
43200 meters/3600 seconds
43200/3600 =
12 meters/seconds
https://www.chem.tamu.edu/class/fyp/mathrev/mr-da.html
