
This may look scary, but all you have to do is distribute, first:

Now it's much easier (remember to distribute the negative):

So, the entire thing simplifies to
-2c. NEAT!
I can help just tell me equation
I think it means meter per second.
Answer:
it would stay the same
Step-by-step explanation:
2.5 kilometres is 2500 meters as 1km is 1000m
2500-2050 = 450m
as david is the one that rode 2.5 kilometres he rode further by 450 meters