Solve the puzzle, match the symbols, and input the unlock code to unlock this door! Use scratch paper if you need it, and don't include hyphens or spaces in the crossword boxes.
I NEED HELP!

Hello!
1. quantity
2. convert units
3. percent
4. ratio
5. unit rate
6. proportion
7. proportionality
8. equivalent ratios
Code: ratio escape
I hope this is correct :)