SOLUTION: I don't understand what to do. The perimeter of a rectangle is 40 inches. Find the dimensions if the length is 2 inches less than twice the width. Please help me solve it. I did le

Question 917705: I don't understand what to do. The perimeter of a rectangle is 40 inches. Find the dimensions if the length is 2 inches less than twice the width. Please help me solve it. I did let steps like x=the width and 2x-2= the length but I don't know if that is correct.
Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Translate the description directly into symbolism with numbers and variables.

L for length, w for width, perimeter is 40.

;
.

IF those make sense, then you should know what to do from them.
Answer by MathTherapy(10552) (Show Source): You can put this solution on YOUR website!
I don't understand what to do. The perimeter of a rectangle is 40 inches. Find the dimensions if the length is 2 inches less than twice the width. Please help me solve it. I did let steps like x=the width and 2x-2= the length but I don't know if that is correct.

You are correct!! However, you failed to create the perimeter-equation.
Width = x, and length = 2x - 2
2(width + length) = perimeter, so: 2(x + 2x - 2) = 40
2(3x - 2) = 40
Solve for x to get the width, and substitute that value into the length-value expression to obtain the length.
RELATED QUESTIONS
The perimeter of a rectangle is 36 inches. If the length is 4 inches longer than the... (answered by ewatrrr)
The perimeter of a rectangle is 52 inches. if the length of the rectangle is 2 inches... (answered by erbirdsong)
The perimeter of a rectangle is 40 inches. the length is 13 inches find the... (answered by fcabanski)
the width of a rectangle is 2 inches more than 3 times its length. if the perimeter of... (answered by ewatrrr)
If the perimeter of a rectangle is 34 inches, and its length is 14 inches, what are its... (answered by edjones)
The length of a rectangle is 2 inches longer than, its width. If the perimeter of the... (answered by solver91311)
The length of a rectangle is 2 inches more than twice its width. If the perimeter of the (answered by tutorcecilia)
Problem: The length of a rectangle is 2 inches more than twice its width. If the... (answered by askmemath)
the perimeter of a rectangle is 56 inches. the width of the rectangle is 14 inches less... (answered by macston)