Final answer:
To convert Mrs. B's weight from pounds to kilograms, divide her weight in pounds (220 lbs) by the conversion factor (2.205), which yields approximately 100 kg; thus, the answer is (c) 100 kg.
Step-by-step explanation:
To calculate Mrs. B's weight in kilograms (kg) from pounds (lbs), you need to use the conversion factor where 1 kg is approximately equal to 2.205 lbs. To do the conversion, you divide Mrs. B's weight in pounds by this conversion factor.
The formula to convert pounds to kilograms is: kg = lbs ÷ 2.205.
So for Mrs. B's weight:
- kg = 220 lbs ÷ 2.205
- kg ≈ 99.773 kg
When converting to kilograms, we typically round to the nearest whole number, which gives us 100 kg. Therefore, the correct answer for Mrs. B's weight in kilograms is option (c) 100 kg.