SOLUTION: Each side of a square is increased 4 inches. When this happens, the area is multiplied by 9. How many inches in the side of the original square?

Question 1026595: Each side of a square is increased 4 inches. When this happens, the area is multiplied by 9. How many inches in the side of the original square?
Answer by ikleyn(52781) (Show Source): You can put this solution on YOUR website!
.
Each side of a square is increased 4 inches. When this happens, the area is multiplied by 9. How many inches in the side of the original square?
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

= .

It is what you are given.

Take the square root from both sides. You will get

x + 4 = 3x, or 2x = 4, or x = 2 in.

Check it.

RELATED QUESTIONS
Each side of a square is increased 9 inches. When this happens, the area is multiplied by (answered by ikleyn,Theo,greenestamps)

Each side of a square is increased 7 inches. When this happens, the area is multiplied by (answered by Alan3354)

Each side of a square is increased 4 inches. When this happens, the area is multiplied by (answered by ikleyn)

Each side of a square is increased 5 inches. When this happens, the area is multiplied by (answered by richwmiller)

Each side of a square is increased 6 inches. When this happens, the area is multiplied by (answered by macston)

Each side of a square is increased 8 inches. When this happens, the area is multiplied by (answered by ikleyn)

Each side of a square is increased 6 inches. When this happens, the area is multiplied by (answered by josgarithmetic)

Each side of a square is increased 5 inches. When this happens, the area is multiplied by (answered by Alan3354)

A square has a side of A inches. If each side is increased by m inches to form a new... (answered by TimothyLamb)