SOLUTION: The width of a rectangle is 7 ft. less than the length. The area of the rectangle is 120 ft 2(square). Find the width of the rectangle.

Algebra ->  Formulas -> SOLUTION: The width of a rectangle is 7 ft. less than the length. The area of the rectangle is 120 ft 2(square). Find the width of the rectangle.      Log On


   

Question 77627: The width of a rectangle is 7 ft. less than the length. The area of the rectangle is 120 ft 2(square). Find the width of the rectangle.
Answer by vertciel(183) About Me  (Show Source):
You can put this solution on YOUR website!
Let's assign variables to the unknowns.
Length = L
Width = 7 less than the L or L - 7
Area of a rect. = LW
L(L - 7) = 120

Try it from here. Write back if you need any more help.