Plzzz im stuck.. 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 over 5. what are the dimensions of the model bed she built?

0.08 foot × 0.10 foot
0.40 foot × 0.50 foot
0.80 foot × 1.00 foot
0.04 foot × 0.05 foot