20. The length of a rectangle is 3 times the length of a smaller rectangle. The 2 rectangles have the same width. The area of the smaller rectangle is A square units. The area of the larger rectangle is kA square units. Which of the following is the value of k ?

Answer and Explanation

Your Answer is

Correct Answer is J

Explanation

The area of ​​a rectangle is equal to its length times its width. Since two rectangles have the same width, the ratio of the areas is the ratio of the lengths. So k=3. Therefore choose J.