Answer:
25.5
Step-by-step explanation:
30% of 80 is 25.5
think of it as two fractions, and use the butterfly method
30/100 ?/80
from there solve
If the ratio between the sides is
, the ratio between the areas will be
and the ratio between the volumes will be 
Answer:
It would be on the side 0-12 so the Y axis
Step-by-step explanation:
Put Vertical Axis (In)
The answer to your question if the following : Pi x 25