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vivianrush

  • 3 years ago

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? (1 point) 18 : 1 1 : 18 9 : 6 6 : 9 2. The Sears Tower in Chicago is 1,450 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 point) 1 : 725 725 : 1 12 : 725 725 : 12

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  1. vivianrush
    • 3 years ago
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    i think they are both A.

  2. cv2001
    • 3 years ago
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    Your fraction would be length of car/length of model, making sure to use the same units of measure. The model is 6 inches long, or 0.5 foot so the ratio (fraction) is 9/.05. Since you want a whole number, multiply each by 2 to get 18/1 or 18:1.

  3. cv2001
    • 3 years ago
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    A 1:725 Just change the 24 inches to 2 feet and then the ratio is 2/1450 which simplifies to 1:725

  4. vivianrush
    • 3 years ago
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    so i'm right with number 1? am i write with number two?

  5. cv2001
    • 3 years ago
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    yup

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