A chocolate bar measures 40 mm wide, 80mm long, and 5 1/2 mm high. Will’s Wrapping Company is making a wrapper to cover the chocolate bar. Use the correct net and determine how much paper will be needed to make the wrapper. A. Wills Wrapping Company needs 3860 mm squared of paper it wrap the chocolate bar

B. Wills Wrapping Company needs 7720 mm squared of paper to wrap the chocolate bar.

C. Wills Wrapping Company needs 8160 mm squared of paper to wrap the chocolate bar

D. Wills Wrapping Company needs 15440 mm squared of paper to wrap the chocolate bar
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I have no idea what they are asking me, how do I do this?!