SOLUTION: The width of a rectangle is 3/4 of its length. If the perimeter of the rectangle is 140 feet, what are the dimensions of the rectangle? Thank you all for your time!

Question 58100: The width of a rectangle is 3/4 of its length. If the perimeter of the rectangle is 140 feet, what are the dimensions of the rectangle?

Thank you all for your time!
Answer by funmath(2933) (Show Source): You can put this solution on YOUR website!
The width of a rectangle is 3/4 of its length. If the perimeter of the rectangle is 140 feet, what are the dimensions of the rectangle?
:
The formula for perimeter of a rectangle is:
Let the length (L) be:x
Then width (W) is: (3/4)x
Perimeter (P) is: 140 ft
: Plug those values into your formula and solve for x:
140=2(x)+2(3/4)x
140=2x+6/4x
140=2x+3/2x
140=(4/2)x+(3/2)x
140=(7/2)x
2(140)=2(7/2)x
280=7x
280/7=7x/7
40=x
Length: x=40 ft.
Width:(3/4)(40)=3(10)=30 ft.
:
Happy Calculating!!!
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