A visitor from Europe knows their weight to be 75.2 kg. How much does the person weigh in pounds?
The correct answer and explanation is:
To convert kilograms to pounds, use the conversion factor:
1 kilogram = 2.20462 pounds
Step-by-step Conversion:
75.2 kg×2.20462 lbkg=165.779824 lb75.2 \, \text{kg} \times 2.20462 \, \frac{\text{lb}}{\text{kg}} = 165.779824 \, \text{lb}
Final Answer:
165.78 pounds(rounded to two decimal places)\boxed{165.78 \, \text{pounds}} \quad (\text{rounded to two decimal places})
300-Word Explanation:
In many parts of the world, including Europe, weight is commonly measured in kilograms (kg), part of the metric system. In contrast, the United States and a few other countries use pounds (lb), which is part of the imperial system. Therefore, when someone from Europe visits a country using the imperial system, they may need to convert their body weight to pounds.
The conversion factor between kilograms and pounds is based on the relationship that 1 kilogram is approximately equal to 2.20462 pounds. This factor is derived from the definition of the pound relative to the kilogram, where the kilogram is the standard base unit of mass in the International System of Units (SI).
To convert 75.2 kg to pounds, you multiply the number of kilograms by the conversion factor: 75.2×2.20462=165.78 pounds75.2 \times 2.20462 = 165.78 \text{ pounds}
This result tells us that a person who weighs 75.2 kilograms has an equivalent weight of 165.78 pounds. It’s important to note that this conversion maintains the same mass but represents it in a different unit of measure.
Being familiar with both metric and imperial units is useful, especially for travelers, scientists, or professionals who work internationally. Understanding conversions also helps when reading nutrition labels, using medical equipment, or participating in sports or fitness activities that may use different systems of measurement. Using a calculator or conversion tool ensures accuracy in such situations.