Sculpt Big or Sculpt Small ?

 The Problem :

 A sculptor has the moulds to cast similar solid bronze figures of height either 20 cm or 40 cm. She can sell these figures for �30 and �150 respectively. If her main cost is the cost of the bronze, which size figure is it more profitable for her to make ?

 What difference might it make to your advice if the figures were hollow ?

 The Investigation :

 If 2 such hollow figures were made, in the unlikely � but simple ! � forms of cubes 20 cm and 40 cm high, out of 1 cm thick bronze, then how much bronze would be required in each case, and what would be the relevant ratio ? 

What advice would you give the sculptor ?

What difference would it make to your advice if the figures were still cast in 1 cm thick bronze, but were only  4 cm and 8 cm high ? 

How does the thickness of the bronze and the size of the figures affect the advice generally ?

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Last modified: June 18, 2007