Math/Algebra

The length of Karen's living room is 2ft longer than the width. The perimeter is 80ft. Find the length and the width.
Can someone please explain to me how you find the answers? Thanks a ton!

  1. 👍 0
  2. 👎 0
  3. 👁 83
asked by Hannah
  1. L = W + 2

    P = 2L + 2W
    80 = 2(W + 2) + 2W
    80 = 2W + 4 + 2W
    80 = 4W + 4
    76 = 4W
    19 = W

  2. In this case L+W=31.5ft, and L-W=2.5ft. So it is 17 feet long and 14.5ft wide.

    1. 👍 0
    2. 👎 0
    posted by Kallie

Respond to this Question

First Name

Your Response

Similar Questions

  1. basic geometric

    10. a rectangle has width the same as a side of a square whose perimeter is 20m. the length of the rectangle is 9m. find the perimeter of this rectangle. 34. The width of a rectangular picture is one-half the length. The perimeter

    asked by vero on March 12, 2007
  2. math

    A rectangular room is 5 meters longer than it is wide, and its perimeter is 22 meters. a. Letting w represent the width of the rectangle, write an equation that represents the perimeter of the room. = 22 b. Find the width of the

    asked by mya on September 26, 2015
  3. math

    A rectangular room is 5 meters longer than it is wide, and its perimeter is 22 meters. a. Letting w represent the width of the rectangle, write an equation that represents the perimeter of the room. = 22 b. Find the width of the

    asked by mya on September 26, 2015
  4. geometric

    The perimeter of a rectangular carpet is 70feet. The with is three -fourths the length .Find the width. 38. The length of a rectagular room is six times as the width . The perimeter 84 yards. find the width. 39. The width of a

    asked by baby girl on March 13, 2007
  5. Common core standard. math

    Consuelos living room is in the shape of a rectangle and has an area of 360 square feet. The width of the living room is 5/6 it's length. What is the length of living room?

    asked by Josh on March 8, 2016
  6. math

    consuelo's living room is in the shape of a rectangle and has an area of 360 square feet. the width of the living room is 5/8 its length. what is the length of the living room

    asked by cristina on January 30, 2015
  7. basic geometry

    A rectangle has width the same asa a side of a square whose perimeter is 20m.the length of the rectangle is 9m. Find the perimeter of this rectangle. 34. The with of a rectangular picture is on-half the length . The perimeter of

    asked by vero on March 13, 2007
  8. algebra

    sue nees to find the length & width of a room. the room is 4 meters longer then it is wide. its perimeter is 24 meters. what is the width?

    asked by ej on June 12, 2012
  9. math

    what would the dimensions of a retangle be whose perimeter is 50(P=50)inches when the length is 2x-5 ane the width is unknown The width must be 25 - (2x-5) = 30-2x, since the sum of the length and width must be half the perimeter.

    asked by Sissy on April 22, 2007
  10. geometry

    The length is 5ft less than twice the width and the perimeter is 80ft

    asked by julian on July 19, 2010

More Similar Questions