Answer:
 .
.
Explanation:
Given : The length of a rectangle is 
 inches, and its width is 2x inches.
 inches, and its width is 2x inches.
To Find: Find the area of the rectangle. 
Solution:
Length of rectangle = 
 
 
Width of rectangle = 5x
Area of rectangle = 

So, area of given rectangle = 

 = 

Hence the are of the given rectangle is 
 .
.