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A model train engine is 6 inches long. The real train engine is 42 feet long. What is the scale factor in inches?

Answer :

42/6 = 7

SCALE FACTOR: 7 feet = 1 inch

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Rewritten by : Barada

The scale factor real train will be 84 inches per inch.

What is dilation?

Dilation is the process of increasing the size of an item without affecting its form. Depending on the scale factor, the object's size can be raised or lowered. There is no effect of dilation on the angle.

Unit modification is the process of converting the measurement of a given amount between various units, often by multiplicative constants that alter the value of the calculated quantity without altering its impacts.

We know that in 1 foot, there are 12 inches. Then the number of inches in 42 feet will be given as,

⇒ 42 x 12

⇒ 504 inches

The scale factor real train will be given as,

Scale factor = 504 / 6

Scale factor = 84 inches per inch

The scale factor real train will be 84 inches per inch.

More about the dilation link is given below.

https://brainly.com/question/2856466

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