Math

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Help Homework : MaKE A TABLE:relate primeter and area


Amaya has 24 inches of ribbon she can glue around the edge of a rectangular gift box lid. if she wants to use all the ribbon without any overlapping, what are the length and width of a gift box lid with the greatest area?

  • Math -

    area= lw
    but 24=2L+2w or w=12-L
    area=l(12-l)

    Wondering if you have calculus yet....assuming not.

    table
    l area
    4 32
    5 35
    6 36
    7 35...already found max area, l=6, so w=6

  • Math -

    Length = 7 inches
    Width = 5 inches
    Area = 35 square inches

  • Math -

    Amaya has 24 inches of ribbon she can glue around the edge of a rectangular gift box lid. if she wants to use all the ribbon without any overlapping, what are the length and width of a gift box lid with the greatest area?

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