Answer:
8.4 or 6.2
Step-by-step explanation:
It's simple just divide the total Miles traveled by the total hours;
287 m ÷ 3.5 (it's 3.5 because 30 mins is half of an hour)

= 82 miles per hour
So your final answer would be
82 miles per hour :)
Answer:
C? Sorry if im wrong
Step-by-step explanation:
Answer:
5400
Step-by-step explanation:
Hundreds are like 100, 200 etc.
So we round the values 16 to the nearest hundredth. And 16 is much closer to 0 then to 100.
So we take off the 16, and we get 5400.