# math

posted by .

HELP ! I just don't get this. The perimeter of a rectangle is 40 m. The length is 5m more than twice the width. Find the dimensions. What is the length? What is the width? I need to simplify my answer...

• math -

2L + 2 W = 40 --> L+W = 20
L = 5 + 2 W

(5+2W) + W = 20
5 + 3 W = 20
3 W = 15
etc

## Similar Questions

1. ### math

The length of a rectangle is 5 in. more than twice its width.?
2. ### math ,correction

Directions: Solve each of the following problems. Be sure to show the equation used for the solution. The length of a rectangle is 2in. more than twice its width. If the perimeter of the rectangle is 34 in., find the dimensions of …
3. ### 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 …
4. ### 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 the …
5. ### Algebra

The perimeter of a rectangle is 90 meters. The length is 9 meters more than twice the width. Find the dimensions. I need the length and the width. Thanks!
6. ### math

the perimeter of a rectangle is 62 m. then length is 10 m more than twice the width. find the dimensions what is the length?
7. ### math

the length of a rectangle is 5 ft more than twice the width. a)if x represents the width of the rctangle, represent the perimeter of the rectangle in terms of x. b) if the perimeter if the rectangle is 2 ft more than eight times the …
8. ### Math

The length of a rectangle is twice the width. The perimeter is 84 cm more than its width. Find the dimensions.
9. ### math

The length of a rectangle is twice the width. If the length is increased by 6, and the width is doubled, a new rectangle is formed whose perimeter is 20 more than the perimeter of the original rectangle. Find the dimensions of the …
10. ### maths

The perimeter of a rectangle is 142m. The length is 5m more than twice the width. Find the dimensions. length= width=

More Similar Questions