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Mathematics 10 Online
OpenStudy (anonymous):

A metal box with a square top and bottom of equal size is to have a volume of 2000cm cubed ,The material for the top and bottom of the box is to cost Ksh3 per square cm and the material for the sides is to cost Ksh 150 per square cm.if the cost of the material to be least or minimum find the dimensions for the box.

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