Well... if 450 is 90% of the crates then 500 is 100%. 450 crates is 0.90% of 500 crates.
I think the answer is A but I am not sure. I think you would take the opposite of the y axis.
Answer:
Step-by-step explanation:
25 feet per minute
in 10 minutes
25ft*10=250ft
the diver is 250+200=450
the diver was at 450 below the sea level