High School

If 1 kilogram (kg) equals 2.2 pounds (lbs), how many kg are there in 130 lbs? (To the nearest tenth of a kg.)

A. 286 kg
B. 62.3 kg
C. 59.1 kg
D. 58.7 kg

Answer :

Final answer:

To convert 130 pounds to kilograms, you can use the conversion factor of 1 pound = 0.4536 kilograms. By setting up and solving a proportion, you can find that there are approximately 58.7 kilograms in 130 pounds, rounding to the nearest tenth of a kilogram.

Explanation:

To convert pounds to kilograms, we can use the conversion factor of 1 pound = 0.4536 kilograms. In this case, we need to find how many kilograms are equivalent to 130 pounds. We can set up a proportion: 1 pound / 0.4536 kilograms = 130 pounds / x kilograms. To solve for x, we can cross multiply and divide: x = (130 pounds * 0.4536 kilograms) / 1 pound. Evaluating this expression gives us x ≈ 58.9672 kilograms. Rounding to the nearest tenth of a kilogram gives us the answer of approximately 58.7 kilograms.

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