A rectangle is 1 / 3 of its length in width. If the width is increased by 12 cm, then the rectangle becomes a square. What is the area of the original rectangle?

A rectangle is 1 / 3 of its length in width. If the width is increased by 12 cm, then the rectangle becomes a square. What is the area of the original rectangle?

Length: 12 × 3 / 2 = 18cm
Width: 18 / 3 = 6cm
Rectangular area: 18 × 6 = 108CM & sup2;