buiduyngoc4079 buiduyngoc4079
  • 20-12-2022
  • Mathematics
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a box with a square base and a lid is to be made so that it has a volume of 20f t3. if the material for the base and lid costs $5 per square foot and the material for the sides costs $2 per square foot, then what are the dimensions of the cheapest possible box?

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