Kyra was building a bed for her dollhouse. She used her bed, which is 4 feet × 5 feet, as a guide. She scaled down the dimensions of her bed by a factor 1/5. What are the dimensions of the model bed she built? a. 0.8 ft × 0.1 ft b. 0.4 ft × 0.5 ft c. 0.8 ft × 1 ft d. 0.04 ft × 0.05 ft