The volume is given by

Since the height is 3 times the radius of the base, we can substitute
:

And we know that the volume is
(I'm actually assuming that there's a typo in the question, otherwise the options wouldn't match):

The height is 3 times the radius, so it is

<span>Just find the volume of each cube separately and add together the results. First cube has side length 5h^2. What is the formula for the volume of a cube? Second cube has side length 3k. Whats its volume?</span>
HELLO
3/10 of 400 = 120
in percentage, that shall be as the following shows you
<span>120/400 * 100 = 30%</span>
Answer:
Enjoy, Glad i could help
Step-by-step explanation: