Answer:
i think its a
Step-by-step explanation:
sorry if im wrong just stressd out. good luck.
Answer:
5
Step-by-step explanation:
This is very sloppy but u hope it helps
Answer: 45
Step-by-step explanation:
Sum is addition so it would be
28+17=45
Yes the ratio would change because it needs 3 times more than the original amount so you would multiply it by 3
