Cuboid warehouse will have volume V=216 m^3 For the builidng of walls they are using boards in the price 30usd/m^2, for the flooring 40usd/m^2 and for the ceiling 20usd/m^2. Find length a, width b and height c of warehouse, which cost will be minimum.   Please, do not use the Lagrange multiplier

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter9: Surfaces And Solids
Section9.1: Prisms, Area And Volume
Problem 27E: The box with dimensions indicated is to be constructed of materials that cost 1 cent per square inch...
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Cuboid warehouse will have volume V=216 m^3
For the builidng of walls they are using boards in the price 30usd/m^2, for the flooring 40usd/m^2 and for the ceiling 20usd/m^2. Find length a, width b and height c of warehouse, which cost will be minimum.

 
Please, do not use the Lagrange multiplier.
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