A person weighs 58.9 kg. What is his weight in pounds? 23.6 pounds 147 pounds 118 pounds 26.7 pounds 130. pounds
To convert kilograms to pounds, we use the conversion factor:
1 kilogram = 2.20462 pounds
Given:
- Weight in kilograms = 58.9 kg
Step 1: Convert the weight58.9 kg×2.20462 lb/kg=129.860058 lb58.9 \text{ kg} \times 2.20462 \text{ lb/kg} = 129.860058 \text{ lb}58.9 kg×2.20462 lb/kg=129.860058 lb
Rounded to the nearest whole number or one decimal place, this is approximately:
130.0 pounds
✅ Correct Answer: 130.0 pounds
Explanation
Weight is commonly measured in different units depending on the country or context. The metric system uses kilograms (kg), while the United States and a few other countries use pounds (lb) as the standard unit of weight. When converting between these systems, it’s important to use the correct conversion factor to maintain accuracy.
The conversion factor between kilograms and pounds is 1 kilogram = 2.20462 pounds. This means that every kilogram is a little more than 2 pounds. To convert a value in kilograms to pounds, we multiply the number of kilograms by 2.20462.
In this problem, the person weighs 58.9 kg. Multiplying this value by the conversion factor gives us:58.9×2.20462=129.86 lb58.9 \times 2.20462 = 129.86 \text{ lb}58.9×2.20462=129.86 lb
When rounding to the nearest tenth (one decimal place), this becomes 130.0 pounds. This level of precision is common in everyday measurements, such as those used in health, fitness, and nutrition.
Among the answer choices — 23.6 pounds, 147 pounds, 118 pounds, 26.7 pounds, and 130.0 pounds — only 130.0 pounds correctly matches the converted value of 58.9 kg.
Understanding this kind of unit conversion is practical in many real-world scenarios, especially in international travel, healthcare, or when using equipment that displays weight in different units. It also reinforces basic arithmetic and scientific thinking, as accurate conversions are essential in technical fields like engineering, medicine, and aviation.
Always remember to check the level of precision required and round your answer appropriately based on the context.
