The radius of a right circular cylinder is 12 and the height is 5. A positive number may be added on the radius or the height to give the same increase in the volume. What is the number? A. 4.8 B. 4.7 C. 3.8  D. 3.6   The answer here is 4.8 however I dont know its solution. Please let me know what is the solution for this. Thank you

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter8: Introduction To Functions
Section8.10: Inverse Variation
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The radius of a right circular cylinder is 12 and the height is 5. A positive number may be added on the radius or the height to give the same increase in the volume. What is the number?

A. 4.8

B. 4.7

C. 3.8 

D. 3.6

 

The answer here is 4.8 however I dont know its solution. Please let me know what is the solution for this. Thank you

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