It is the last one 21,400,000,000
I'm not certain but I'm pretty sure it's 1000+600+800=2400
T=1000= the longest side
S=1/2 (t+200)=600= shortest side
M=t-200=800=middle side.
Answer:
Bryce's unit rate in miles around the track is 3 rate per mile . Now, as we know the formula for speed i.e. So, Bryce's unit rate in miles around the track is 3 rate per mile .