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Posted by on Wednesday, May 2, 2012 at 8:49pm.

rectangular cake pans x and y are similar. the ratio of the width of pan x to the width of pan y is 3:5. the length of pan x is 12 inches and its width is 6 inches. what is the perimeter if pan y?

  • sinki - , Thursday, May 3, 2012 at 10:04pm

    3/5 = 12/L.
    3L = 60.
    L = 60/3 = 20 In = Length of y.

    3/5 = 6/W.
    3w = 30.
    W = 10 In. = Width of y.

    P = 2W + 2L = 2*10 + 2*20 = 60 In. = Perimeter of y.

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