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Jon93c Group Title

Geometry help please Malcolm bought a square sheet of paper of side 16 inches to decorate a pencil box he made in craft class. The pencil box has a height of 7 inches, a width of 4 inches, and a length of 5 inches. Approximately how many square inches of paper will be remaining if he pastes paper on to the bottom base and the four side surfaces of the pencil box without any overlap?

  • 2 years ago
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  1. hoblos Group Title
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    area of paper = 16^2 =256 in^2 area to be covered = 2(7*4 + 7*5) + 4*5 = 146 in^2 remaining part = 256-146 = 110 in^2

    • 2 years ago
  2. Mertsj Group Title
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    Bottom: 2(4 X 5)=40 front and back: 2(4 X 7)=56 right side and left side: 2(5 X 7)=70 Total: 40+56+70=146 Total sheet = 16X16 = 256 Left over: 256-146=110

    • 2 years ago
  3. Mertsj Group Title
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    |dw:1331301483501:dw|

    • 2 years ago
  4. Jon93c Group Title
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    thanks guys

    • 2 years ago
  5. Mertsj Group Title
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    yw

    • 2 years ago
  6. hoblos Group Title
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    yw =)

    • 2 years ago
  7. tercespot Group Title
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    just had to point out that you said 70+56+40=146....it doesn't..it equals 166...that changes the answer to 90

    • one year ago
  8. tercespot Group Title
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    but the answer is 110 becuase it does not say include the top..but the math was wrong

    • one year ago
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spraguer (Moderator)
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is replying to Can someone tell me what button the professor is hitting...

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