college
posted by kara
the perimeter of a rectangle is twice the sum of its width and it length. the perimeter is 40meters and its lenght is 2 meters more than twice its width.

PsyDAG
L = 2W + 2
2L + 2W = 40
Substitute 2W+2 for L in second equation and solve for L. Insert that value into the first equation and solve for W. Check by inserting both values into the second equation. 
PsyDAG
By the way, it helps to indicate your subject in the "School Subject" box, so those with expertise in the area will respond to the question.
Respond to this Question
Similar Questions

algebra
What is the width of a rectangle with a perimeter of 70 feet if its length is 1 foot? 
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 onehalf the length. The perimeter … 
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 onhalf the length . The perimeter of the … 
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 rectangle … 
math
what would the dimensions of a retangle be whose perimeter is 50(P=50)inches when the length is 2x5 ane the width is unknown The width must be 25  (2x5) = 302x, since the sum of the length and width must be half the perimeter. … 
College Algebra
Suppose that the length of a rectangle is 3 inches longer than the width and that the perimeter of the rectangle is 78. Set up an equation involving only L, the length of the rectangle. Solve this equation algebraically to find the … 
College Algebra
The length of a rectangle is 3 times the width . If the perimeter is to be at least 48 meters, what are the possible values for the width? 
Mathematicsplease help quick!!
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 … 
Mathematicsplease help quick!!
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 … 
math
the lenght of a rectangle is one meter more more than twothirds of the width. Find the length, width and area of the rectangle if the perimeter is 6 meters.