30 percent of Andrea's living room floor is covered by a carpet that is 4 feet by 9 feet. What is the area of her living room floor?
Choose the correct choice from the following options.
A) 14.4 B) 120 C) 50.4 D) 60 E) 90

Rationale: "30 % of area of the floor = 4 * 9 square feet = 36 square feet i . e . 100 % area of floor = ( 36 / 30 ) * 100 = 120 square feet answer : option b"
Answer: B