Answer :

viny
We know 
numbere of items fromed=  Metal to be cut dimension
                                        -------------------------------------
                                        metal to which it willl be formed dimension
apply the dimension and you are done!
                                              
cutyanamikasingh
no. of box=surface area of the big box/s.area of the given edge
  =92.74/6
  =15.5

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