Question

a patient weighs 50 pounds and needs their weight converted to kilograms. how many kilograms is this? round your solution to two decimal places.

use the conversion factor \\(1\text{ kg} = 2.2\text{ lb}\\).

• \\(50\text{ kg}\\)
• \\(22.68\text{ kg}\\)
• \\(110\text{ kg}\\)
• \\(22.73\text{ kg}\\)

Explanation:

Set up the conversion ratio

$$ \text{Weight in kg} = 50\text{ lb} \times \frac{1\text{ kg}}{2.2\text{ lb}} $$

Perform the division

$$ \frac{50}{2.2} \approx 22.72727\text{ kg} $$

Round to two decimal places

$$ 22.72727\text{ kg} \approx 22.73\text{ kg} $$

Answer:

• (A) 50 kg
• (B) 22.68 kg
• (C) 110 kg
• (D) 22.73 kg (Correct answer)