Answer:

Step-by-step explanation:
From the question we are told that:
Radius 
Height 
Rate 
Surface Radius 
Generally the equation for Volume is mathematically given by

Since radius to height ratio gives



Therefore


Generally the equation for Change of Volume is mathematically given by





Distribute the negative:
6x-3-8x-11
Combine like terms:
-2x-14
Simplify by factoring:
-2(x+7)
The answer is in the attached file.
Answer:
7/6
Step-by-step explanation:
divide both the numerator and denominator by 8
Divide numerator and denominator by 6:
12/18 = 2/3