For this case we have that by definition, the density is given by:

Where:
M: It is the mass
V: It is the volume
According to the data of the statement we have:

So, the mass is given by:

Thus, the mass of the brass ornament is
Answer:

Answer:
280
Step-by-step explanation:
The answer is x = 2a^3 - 3a
20% goes into 100% 5 times. So you do 480 times 5, which is 2400. So you answer is 2400.