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Algebra

The length of a rectangular garden is 4 m greater than the width. the area is 77m^2. find the dimensions of the garden.

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  1. W(w+4)=77
    W^2 + 4w - 77 = 0
    (W-7)(w+11)=0
    W-7=0
    W=7

    W+11=0 gives neg. ans.

    Length = 7+4=11
    Width = 4

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  2. 12

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