Kathy was building a bed for her dollhouse. She used her bed, which is 3 feet × 5 feet, as a guide. She scaled down the dimensions of her bed by a factor . What are the dimensions of the model bed she built?
0.06 ft × 0.1 ft
0.3 ft × 0.5 ft
0.03 ft × 0.05 ft
0.6 ft × 01 ft