An open-top box is to be constructed so that its base is twice as long as it is wide. Its volume is to be 2400 cm3. Find the dimensions that will minimize the amount of cardboard required.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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An open-top box is to be constructed so that its base is twice as long as it is wide. Its volume is to be 2400 cm3. Find the dimensions that will minimize the amount of cardboard required.

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