Answer :
Final answer:
To convert Sally's dog's weight to kilograms, divide the weight in pounds (65 lbs) by the conversion factor (2.2). This results in a weight of approximately 29.5 kg, so the answer is D) 29.5 kg.
Explanation:
The subject of this problem is a practical application of unit conversion in mathematics. Sally needs to determine the weight of her dog in kilograms, but she only knows the weight in pounds. Since 1 kilogram is approximately equivalent to 2.2 pounds, we can use this as a conversion factor. The process involves dividing the weight in pounds by the conversion factor.
To find the weight of the dog in kilograms, we need to divide the given pounds that is 65, by the conversion factor, which is 2.2. When you divide 65 by 2.2, you get approximately 29.5 kg. Therefore, Sally's dog weighs about 29.5 kg.
This technique of unit conversion is used frequently in different areas of life, particularly in sciences where measurements are often taken in different units. So the ability to convert between different units is an important skill to develop.
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