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Christa
Christa asked in Science & MathematicsMathematics · 8 years ago

MATH: Ionna's den is 8ft longer than it IS WIDE. If the den's area is 128 square feet?

WHAT ARE THE DEMENSIONS IN FT OF THE ROOM?

3 Answers

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  • lia l
    Lv 5
    8 years ago
    Favorite Answer

    width be x

    length will be x+8

    area=width times length

    therefore

    x(x+8)=128

    x^2+8x-128=0

    x=-4(+/-)12

    x=16

    or

    x= - 8

    as width is positive

    we take 16 for width

    and length would be 16+8=24

    ANSWER 16 ft, 24 ft>

  • aarthi j
    8 years ago

    width=x

    length=x+8

    128=x(x+8)

    x^2+8x-128=0

  • Anthony
    8 years ago

    Figure it out yourself

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