Answer:
The answer surely is:
Explanation:
The unit of weight regularly used for the measurement of objects with a considerable size is the pound in the English measurement system, there is a smaller one that is the ounce, but weighing a suitcase in ounces would provide a number that is too long, which is why It is usually used, lastly, you should know that the abbreviation of libra is Lb although the name begins with P and does not contain any of the letters in the abbreviation, this is because the abbreviation comes from the word "Libra" in Latin.
