Answer:
E (see attached)
Explanation:
You want to know which expression converts 54 square inches to square feet.
Conversion
You can identify the correct conversion factor using two criteria:
- the units must give you the units you want
- the value of the conversion factor must be 1 (numerator equal to denominator).
Application
Considering we have square inches and want square feet, we need a conversion factor with square feet in the numerator and square inches in the denominator. (Eliminates choices D and F.)
We know that 12 inches is 1 ft, so the conversion factor can be ...

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Additional comment
The converted value is 54/144 = 3/8 = 0.375 square feet.
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