$Convert the scale 1 i n : 27 f t to the scale$ $factor form.$

Scale factor = \frac{324}{1}

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Scale factor = \frac{1}{324}

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Scale factor = \frac{1}{27}

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Scale factor = \frac{1}{270}

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Solution

The correct option is B $Scale factor = \frac{1}{324}$
Scale is a ratio, while scale factor is a value.

$1 f t = 12 i n$

$Scale = 1 i n : 27 f t$

∴ We can write:
$Scale = 1 i n : 27 f t$
$= 1 i n : 27 \times 12 i n$
$= 1 i n : 324 i n$

Hence,
$Scale factor will be = \frac{1}{324}$

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