Math,Ratio

the length of a rectangle is 6times as long as its breadth.
a.) what fraction of the perimeter of the rectangle is the length of the rectangle?
b.) find the ratio of the length of the rectangle to its breadth and to its perimeter.
c.) if the perimeter of the rectangle is 342.44cm, find the length and breadth of the rectangle.

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  1. if L = 6W, then

    P = 2L+2W = 12W+2W = 14W

    a) 6W/14W = 3/7
    b) L:W = 6W:W = 6:1
    see a) for L:P
    c) 14W = 342.44
    W = 24.46
    L = 146.76

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  2. 45

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  3. the area of a rectangle field is 80m.if the ratio of the length to the breadth is 5 : 3,find its area.

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  4. the perimeter of a rectangle is 36cm if it is 12cm long find its width

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