Q4: A plastic box 1.5 m long, 1.25 m wide and 65 cm deep is to bottom. Ignoring the thickness of the plastic sheet, determine.
(i) The area of the sheet required for making the box. made. It is opened at the top and
(ii) The cost of sheet for it, if a sheet measuring Im² costs 320.
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Answer:
area =5.5375 cost = 1772
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