They collected 300 cans in all. I did this by multipying 63 by 100 (6300) then divided it by 21. I hope this helps!

The equivalent expression is ~


Id say d is best way to go
Answer:
The answer would be y= -2x + 5
Step-by-step explanation:
If you look at your table you can see a pattern in the Y collum. It's being subtracted by two each time.
They are essentially asking us to solve:

Solving this equation for x tells us that it will take around 80.1 years for the materials in the vault to reduce to 357 pounds.