SOLUTION: The width of a rectangle is 25.7 feet less than four times its length, and the perimeter is 29.6 feet. Find the length and the width of the rectangle

Algebra.Com
Question 1190435: The width of a rectangle is 25.7 feet less than four times its length, and the perimeter is 29.6 feet. Find the length and the width of the rectangle
Found 3 solutions by josgarithmetic, MathTherapy, ikleyn:
Answer by josgarithmetic(39630)   (Show Source): You can put this solution on YOUR website!
L, the length


.
.
.

Answer by MathTherapy(10556)   (Show Source): You can put this solution on YOUR website!

The width of a rectangle is 25.7 feet less than four times its length, and the perimeter is 29.6 feet. Find the length and the width of the rectangle

B E W A R E !! JOSGARITHMETIC's equation, above, will NOT give you the correct value for the rectangle's length.
Hence, width will also be INCORRECT!
Answer by ikleyn(52878)   (Show Source): You can put this solution on YOUR website!
.
The width of a rectangle is 25.7 feet less than four times its length,
and the perimeter is 29.6 feet. Find the length and the width of the rectangle
~~~~~~~~~~~~~~~~


            It is to replace wrong solution from @josgarithmetic . . .


Let L be the length, in feet; then the width is  4L-25.7 feet.


Write equation for the half of the perimeter as you read the problem


   L + (4L - 25.7) = 14.8   feet   ( where 14.8 = 29.6/2 )


Simplify and find L


    5L            = 14.8 + 25.7

    5L            =     40.5

     L            =     40.5 / 5 = 8.1.


Thus the length is  8.1 feet;  the width is  4*8.1-25.7 = 6.7 feet.    ANSWER


CHECK.  The perimeter is  2*(8.1+6.7) = 2*14.8 = 29.6  ft.    ! Precisely Correct !

Solved.



RELATED QUESTIONS

The length of a rectangle is 7 feet less than twice the width. The perimeter is 64 feet.... (answered by ewatrrr)
The length of a rectangle is 3 feet less than twice its width and the perimeter is 72... (answered by stanbon)
if the width of a rectangle is four feet less than the length and the perimeter is 152... (answered by macston)
The width of a rectangle is 7 feet less than its length. If the area of the rectangle is... (answered by Alan3354)
The perimeter of a rectangle is 80 feet, and it's length is 5 feet less than twice its... (answered by algebrahouse.com)
The length of a rectangle is 2 feet less than twice its width. If the perimeter is 26... (answered by Cromlix)
A rectangle has a perimeter of 14 feet. If the twice its length is equal to one less... (answered by drj)
The length of a rectangle is 6 times its width. The perimeter of the rectangle is 98... (answered by jim_thompson5910)
The preview of a rectangle is 136 feet. The length is seven feet less than four times the (answered by checkley77,drj)