Title: Lesson 38
Course: quiz duplicate error

Q: Solve the proportion.

[Image]
- [Image]
- 5
- [Image]
- 25
A: 25

Q: Solve the proportion.

[Image]
- [Image]
- [Image]
- [Image]
- [Image]
A: [Image]

Q: A model is made of a car. The car is 8 feet long and the model is 7 inches long. What is the ratio of the length of the car to the length of the model?
- 7 : 96
- 8 : 7
- 96 : 7
- 7 : 8
A: 96 : 7

Q: A map of Australia has a scale of 1 cm to 120 km. If the distance between Melbourne and Canberra is 463 km, how far apart are they on the map, to the nearest tenth of a centimeter?
- 0.4 cm
- 3.9 cm
- 38.6 cm
- 55,560 cm
A: 3.9 cm

Q: Solve the proportion.

[Image]
- 9
- 20
- 45
- 144
A: 9

Q: Solve the proportion.

[Image]
- 54
- 81
- 9
- 18
A: 9

Q: The Sears Tower in Chicago is 1450 feet high. A model of the tower is 24 inches tall. What is the ratio of the height of the model to the height of the actual Sears Tower?
- 1 : 725
- 725 : 1
- 12 : 725
- 725 : 12
A: 1 : 725

Q: If [Image] then 5a = ____.
- 8b
- 5b
- 16b
- 10b
A: 8b

Q: A model is made of a car. The car is 9 feet long and the model is 6 inches long. What is the ratio of the length of the car to the length of the model?
- 18 : 1
- 1 : 18
- 9 : 6
- 6 : 9
A: 18 : 1

Q: Solve the proportion.

[Image]
- –3
- [Image]
- [Image]
- 3
A: –3

Q: If [Image] then 3a = ____.
- 3b
- 10b
- 5b
- 6b
A: 5b

Q: Solve the proportion.

[Image]
- 18
- 54
- 6
- 9
A: 6

Q: Solve the proportion.

[Image]
- 49
- [Image]
- 7
- [Image]
A: 49

Q: You want to produce a scale drawing of your living room, which is 24 ft by 15 ft. If you use a scale of 4 in. = 6 ft, what will be the dimensions of your scale drawing?
- 24 in. by 144 in.
- 16 in. by 10 in.
- 24 in. by 10 in.
- 16 in. by 144 in.
A: 16 in. by 10 in.

Q: On a blueprint, the scale indicates that 6 cm represent 11 feet. What is the length of a room that is 10.2 cm long and 4 cm wide on the blueprint?
- 1.7 ft
- 18.7 ft
- 12.7 ft
- 6.8 ft
A: 18.7 ft

Q: A model is built having a scale of 1in : 100,000in. How high would a 45,300-ft mountain be in the model? Give your answer to the nearest tenth of an inch.
- 5.436 in.
- 2.718 in.
- 0.453 in.
- 543,600 in.
A: 5.436 in.

Q: A model is built having a scale of 1in: 100,000 in. How high would a 35,600-ft mountain be in the model? Give your answer to the nearest tenth of an inch.
- 4.272 in.
- 2.136 in.
- 0.356 in.
- 427,200 in.
A: 4.272 in.

Q: On a blueprint, the scale indicates that 6 cm represent 15 feet. What is the length of a room that is 9 cm long and 4 cm wide on the blueprint?
- 22.5 ft
- 1.5 ft
- 6 ft
- 16.5 ft
A: 22.5 ft

Q: You want to produce a scale drawing of your living room, which is 30 ft by 15 ft. If you use a scale of 4 in. = 6 ft, what will be the dimensions of your scale drawing?
- 24 in. by 10 in.
- 24 in. by 180 in.
- 20 in. by 180 in.
- 20 in. by 10 in.
A: 20 in. by 10 in.