You would have to multiply 120 x 20 then divide by 8. I hope that helps you!
We know that the balloon ascends at the same constant rate, that means that after the penny drop is:

this comes from the fact that the initial height is 500 ft and that for each second the balloon ascends 10 feet.
Answer:
4 pi
Explanation: for one whole cycle it’s 4 pi
3 pounds of sugar..........15 dollars
x pounds of sugar...........45 dollars
x=(45*3)/15=(45/15)*3=3*3=9 pounds of sugar
Answer:
-1/2x+1
Step-by-step explanation:
use y=mx+b