3/47 is a rational number
p/q is a rational number, where p and q are real integers, and q does not equal to 0.
Answer:
Volume of the Figure 
Step-by-step explanation:
Volume of the figure = Volume of the Upper cone+Volume of the lower cone
Volume of a cone = 
Volume of the Upper Cone with



Volume of the Lower cone with
and 

Volume of the Whole Figure = 
Volume of the Figure 
4.88 rounded to the nearest tenth is 4.9
110+51= 161
161/2=80.5
the average is 80.5