1. A pencil cup with a capacity of 16 in.³ is to be constructed in the shape of a rectangular box with a square base and an open top. If the material for the sides costs 8c/in.² and the material for the base costs 32¢/in.², what should the dimensions of the cup be to minimize the construction cost?

1. A pencil cup with a capacity of 16 in.³ is to be constructed in the shape of a rectangular box with a square base and an open top. If the material for the sides costs 8c/in.² and the material for the base costs 32¢/in.², what should the dimensions of the cup be to minimize the construction cost?

Mathematics For Machine Technology

8th Edition

ISBN:9781337798310

Author:Peterson, John.

Publisher:Peterson, John.

Chapter21: Direct And Inverse Proportions

Section: Chapter Questions

Problem 6A

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