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Posted by on Sunday, June 10, 2012 at 4:06am.

The lenght of a rectangle is 10cm greater than its width. The perimeter of the rectangle is 1m. A.Find the simplest expression for the perimeter for the rectangle if the width is x.B. Find the width of the rectangle. C. Calculate the area of the rectangle. Answers: A=20+x .B=20 .C=600

  • Mathematics-please help quick!! - , Monday, June 11, 2012 at 4:58pm

    Width = X cm.
    Length = (X+10) cm.
    P = 1 m = 100 cm.

    B. P = 2(X+10) + 2x = 100 cm.
    2x + 20 + 2x = 100
    4x = 100 - 20 = 80
    X = 80/4 = 20.

    C. L = x + 10 = 20 + 10 = 30 cm.
    A = L*W = 30 * 20 = 600 cm.

  • Mathematics-please help quick!! - , Sunday, March 9, 2014 at 11:26am

    less than 8 inches in lengh width and height

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