Answer: 6 square feet.
Explanation:
The initial dimension of the advertisement = 4 × 6
Where sides are 4 and 6
When the sides are 6 times larger than the initial sides,
Then the sides are 4 × 6, 6 × 6
= 24 inches and 36 inches
Therefore,
The area of the new advertisement =

Since, 12 inches = 1 feet
⇒ 144 square inches = 1 square feet
⇒ 1 square inches = 1/144 square feet
Thus, the required area in feet =
