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A scale model of a school bus is 3 inches long. The actual school bus is 45 feet long. Which statement(s) are true?
The scale of the model is 1 in.:5.6 ft.
The scale of the model is 1 in.:15 ft.
The scale factor is 1:180.
The scale factor is 1:540.

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MrGumby

Answer:

The scale of the model is 1 in.:15 ft.

Step-by-step explanation:

In order to find this, first express the terms that you know.

3 in.:45 ft.

Now simplify by dividing both by the greatest common factor, which in this case is 3.

1 in.:15ft.

Answer: The scale factor is 1:180

Step-by-step explanation:

15 feet in inches = 540 inches, divided by 3 because the current scale factor is 3:540 to get 1:180

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