Answer:
249798.8
Step-by-step explanation:
It should say to the nearest tenth.
In terms of its radius
, the volume of the balloon is

The diameter
is twice the radius, so that in terms of its diameters, the balloon's volume is given by

Differentiate both sides with respect to time
:

The diameter increases at a rate of
. When the diameter is
, we have

or about 23,562 cc/min (where cc = cubic centimeters)
8 wings / $10 = 0.8 wing per dollar
Hope it helps
percent means out of 100
35/100
divide the top and bottom by 5
7/20
15 + 20 equals to 35, 60 - 35 equals to 25 so so his total journey is 1 hour