SOLUTION: Can someone please help me solve the perimeter I do not understand? The perimeter of a rectangle is 20 inches. The length exceeds the width by 4 inches. Find the length and th

Algebra ->  Linear-equations -> SOLUTION: Can someone please help me solve the perimeter I do not understand? The perimeter of a rectangle is 20 inches. The length exceeds the width by 4 inches. Find the length and th      Log On


   

Question 374805: Can someone please help me solve the perimeter I do not understand?
The perimeter of a rectangle is 20 inches. The length exceeds the width by 4 inches. Find the length and the width?
The length is_____inches?

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi,

Let x represent the width, then the length  would be (x+4)

Perimeter is the Sum of all sides

x + x + (x+4) + (x+4) = 20in

solving for x

4x + 8 = 20in

4x = 12in 

x = 3in, the width.  Length is 7in   (3+4)

CHECKING our Answer

2*3in + 2*7in = 6in  + 14in = 20in