A solid right cylindrical cement block of volume 97 ft³ is to be made, and then painted except for the base. The cost of painting the top and sides are $3 per square feet and $9 per square feet, respectively. Find the least possible cost of painting the cement block.

Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter63: Volumes Of Pyramids And Cones
Section: Chapter Questions
Problem 25A
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A solid right cylindrical cement block of volume 97 ft³ is to be made, and then painted except for
the base. The cost of painting the top and sides are $3 per square feet and $9 per square feet,
respectively. Find the least possible cost of painting the cement block.
Transcribed Image Text:A solid right cylindrical cement block of volume 97 ft³ is to be made, and then painted except for the base. The cost of painting the top and sides are $3 per square feet and $9 per square feet, respectively. Find the least possible cost of painting the cement block.
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