A floor plan of a house was drawn using a scale of 1 cm = 1.5 m. The family room in the plan is pictured as 5 cm by 4 cm. What is the area, in square meters, of the actual family room. (please see picture below)
A: 20
B: 27
C: 30
D: 45
2. Liz chose C as the correct answer. How did she get that answer?
Answer in complete sentences.