Answer:

Step-by-step explanation:
Given
--- proper representation of the question
Required
Evaluate
Convert numbers to improper fractions

Take LCM


Convert to improper fraction

Since the radius is the same but the height changes, the volume would change by the multiple of the height.
In this case the volume of the larger cone would be 4 times as large as the smaller cone so you would need 4 small cones
Answer: 20
Step-by-step explanation: