The actual length of the car is 15 feet.
The actual length of the dream house is 24 feet.
The actual length of the barbie doll is 6 feet.
A scale drawing is a smaller image in terms of dimensions of an original image / building / object. The scale drawing is usually reduced at a constant dimension.
The actual length of the car = (20 x 3) / 4 = 15 feet
The actual length of the dream house = (3 x 32) / 4 = 24 feet
The actual length of the barbie doll = (3 x 8) / 4= 6 feet
Please find attached the table. To learn more bout scale factor, please check: https://brainly.com/question/8765466