Answer:

Step-by-step explanation:
we know that
Using proportion

Answer:
The picture is really blurry, i can't see the questions
Answer:
-22 1/2
Step-by-step explanation:
-2 1/2 *s
Let s = 9
-2 1/2 (9)
Change to an improper fraction
-5/2 *9
-45/2
Change back to a mixed number
-22 1/2