pseudo.rb

Main Module
  Get input from user
  Display unit price (price per ounce)
  Display total price
End Main Module

Get Input Module
  Declare ItemName as String
  Declare UnitPrice as Float
  Declare Pounds as Float
  Declare Ounces as Float

  Write "Item Name:"
  Input ItemName

  Write "Unit Price:"
  Input UnitPrice

  Write "Pounds:"
  Input Pounds

  Write "Ounces:"
  Input Ounces  
End Get Input Module

Display Price Module
  Declare UnitPrice as Float
  Declare TotalPrice as Float

  UnitPrice = PountPrice/16
  TotalPrice = PoundPrice*(Pounds + Ounces/16)
End Display Price Module