If my calculations aren't off, it is approximately 80.43.
Answer:
it isn't proportional because it doesn't go through the origin.
Step-by-step explanation:
I'm sorry but I don't know but can you help me?
Let
x-------> the total number of empty spaces in the bike racks
y------> the total number of spaces in the bike racks
z-------> the total number of bike in the bike racks
we know that


therefore
the answer is
the total number of empty spaces in the bike racks is 
the expression is equal to
