SOLUTION: The perimeter of a rectangle is 84 meters. The width measures 3 meters less than the length. Find the width of the rectangle
Algebra ->
Rectangles
-> SOLUTION: The perimeter of a rectangle is 84 meters. The width measures 3 meters less than the length. Find the width of the rectangle
Log On
Question 1004508: The perimeter of a rectangle is 84 meters. The width measures 3 meters less than the length. Find the width of the rectangle Answer by ikleyn(52781) (Show Source):
a + b = 42 (it is ).
a - b = 3.
where a and b are the length and the width respectively
Solve this system. You may use the substitution or the elimination method.
The solution is
a = 22.5 units, b = 19.5 units.
