Answer :
Final answer:
Lena weighs 165 pounds, which converts to approximately 74.84268 kilograms. Rounding to the nearest whole number, her weight is about 75 kilograms, making the correct answer a) 75 kg.
Explanation:
Lena weighs 165 pounds. To convert her weight into kilograms, we need to use the conversion factor that 1 pound is approximately equal to 0.453592 kilograms. Therefore, to convert Lena's weight into kilograms, we multiply her weight in pounds by this conversion factor:
165 pounds * 0.45352 kilograms/pound = 74.84268 kilograms.
When we round to the nearest whole number, Lena's weight is approximately 75 kilograms. Therefore, the correct answer is a) 75 kg.
165 pounds * 0.453592 kilograms/pound = 74.84368 kilograms.
Therefore, Lena's weight is approximately 75 kg.
