# algebra

the perimeter of a rectangle is 78m the length is 6m more than twice the width

I have the width at 18m and the length at 42m because 18*2=36+6=42 42+36=78 Am I correct? Thanks for any help

1. 👍
2. 👎
3. 👁
1. Let w = width

2w + 2(w + 6) = 78
4w + 12 = 78
4w = 66
w = 16.5

1. 👍
2. 👎
2. thank you very much

1. 👍
2. 👎
3. You're very welcome.

1. 👍
2. 👎

## Similar Questions

1. ### Calculus

A rectangle has area 64 m2. Express the perimeter of the rectangle as a function of the length L of one of its sides. State the domain of P. (Assume the length of the rectangle is larger than its width. Enter your answer using

2. ### Geometry

The perimeter of a rectangle is 192 feet. The length of the rectangle is twice the width. Find the length and width of the rectangle.

3. ### Math

The length of a rectangle is 5 inches less than 3 times the width. The perimeter of the rectangle is 14 inches. Find the length and width of the rectangle. I did this: Length 3x-5; width 3x Then I did guess and check and came up

4. ### algebra1

The length of a rectangle is twice the width. If the length is increased by 4 inches and the width is decreased by 1 inch, a new rectangle is formed whose perimeter is 198 inches. Find the dimensions of the original rectangle.

1. ### Algebra Math

The length of a rectangle is two more than three times its width. The perimeter of the rectangle is 116. Determine the length and width of the rectangle.

2. ### 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

3. ### Math

The formula for the perimeter of a rectangle is P = 2l + 2w. The length of a rectangle is 3 times its width. Which expression represents the perimeter of the rectangle? Question 3 options: 2 + w(3w) 2 + w(w + 3) 2(3w) + 2w 2(w +

4. ### Math

The variable W represents the width of a rectangle. The length of the rectangle, L, is 5 less than twice the width. Write an expression for the length of the rectangle in terms of W. Write a simplified expression for the perimeter

1. ### Algebra

The rectangle shown has a perimeter of 118 cm and the given area. Its length is 4 more than four times its width. Write and solve a system of equations to find the dimensions of the rectangle. (rectangle has an area of 528 cm^2)

2. ### algebra

Suppose that the width of a certain rectangle is 1 inch more than one-fourth of its length. The perimeter of the rectangle is 32 inches. Find the length and width of the rectangle.

3. ### math

if the width of a rectangle is 5 inches shorter than the length and the perimeter of the rectangle is 80 inches. how do you set up the equation for the perimeter involving only L and how do you solve this in a linear equation

4. ### Math

The length of a rectangle is 5 cm greater than it width. The perimeter is 58 cm. What are the dimension of the rectangle? I know the formula for Triangle Perimeter is 2(L+W) and the L is +5 more than the W but I can't write the