Answer:
the temperature increased 1.25°c per hour
In those twelve hours the total increase was 15°c
Step-by-step explanation:
Divide the total temperature increase and the total of hours
and that's how you get how many degrees it increased each hour from midnight to midday
1:48.44....
872/18=48.44
Just plug it into a calculator
4 km
1000m:3m = 4000m:12m