Question

convert the units of length using unit ratios.

\\(4.5\text{ ft} = \text{______ in.}\\)

• 54 in.
• 55 in.
• 56 in.
• 53 in.

Explanation:

Identify the conversion factor

$$ 1\text{ ft} = 12\text{ in.} $$

Apply the unit ratio

$$ 4.5\text{ ft} \times \frac{12\text{ in.}}{1\text{ ft}} $$

Calculate the final value

$$ 4.5 \times 12 = 54\text{ in.} $$

Answer:

• (A) 54 in. (Correct answer)
• (B) 55 in.
• (C) 56 in.
• (D) 53 in.