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17 August, 18:11

An architect built a scale model of a shopping mall. On the model, a circular fountain is 15 inches tall and 7.5 inches in diameter. If the actual fountain is to be 10 feet tall, what is its diameter?

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  1. 17 August, 19:29
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    The actual diameter will be 5 feet.

    Step-by-step explanation:

    The fountain is 10 feet tall, which is 120 inches. If you divide 120 inches by the model's 15 inches, you get 8. So, the ratio is for every 1 inch of the model, you have 8 inches on the actual fountain. You can then multiply 7.5 by 8 to find the diameter of the actual fountain.
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