3. The length of a rectangle is 3 cm greater than its width. The perimeter is 24 cm. What are the dimensions of the rectangle?
Let the width of the rectangle be x cm.
a) Then the length of the rectangle in term of "x" is..

b) The perimeter of the rectangle is 24 cm. Write an algebraic equation (formula) in terms of x to show the perimeter of the rectangle.

c) Solve the equation for x and hence state the dimensions of the rectangle.