Question: 14. A open-top rectangular tank with a square base is to have a volume of 10 m3. The material for the bottom costs $15 per

14. A open-top rectangular tank with a square base is to

14. A open-top rectangular tank with a square base is to have a volume of 10 m3. The material for the bottom costs $15 per square metre and the material for the sides costs $6 per square metre. Find the most economical dimensions for the tank

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