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22 July, 17:19

Marjorie is building a dog run that is 25'8" long and 8'8" wide. How much fencing will she need if the opening is 3'6" wide and will not need fencing?

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  1. 22 July, 19:28
    0
    782 in

    Step-by-step explanation:

    To find the length of fence, we have to find the perimeter first.

    Given

    Length = l = 25 feet 8 in

    Width = w = 8 feet 8 in

    Opening = o = 3 feet 6 in

    So,

    we have to convert the lengths into same unit first

    So,

    l = (25*12) + 8 = 308 in

    w = (8*12) + 8 = 104 in

    O = (12*3) + 6 = 42 in

    Perimeter = 2 (l+w)

    = 2 (308+104)

    =2 (412)

    =824

    As the opening does not need fencing

    Total fence = P - o

    = 824 - 42

    =782 in

    or

    65 feet 2 in ...
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