Original sentence: Many passengers complain about this limit, because after the typical 15-20 pounds (7-8 kg) of the suitcase itself, little room remains for any other items.domestic flights, it was typical for an airline to allow passengers to check up to 2 pieces of lugagge that are up to 50 pounds (22.7 kg) each free of charge (total 100 pounds = 45.4 kg), and this can be exceeded for a fee
Edited sentence: Many passengers complain about this limit, because after the typical 15-20 pounds (7–8 kg) of the suitcase itself, little room remains for any other items.domestic flights, it was typical for an airline to allow passengers to check up to 2 pieces of lugagge that are up to 50 pounds (22.7 kg) each free of charge (total 100 pounds = 45.4 kg), and this can be exceeded for a fee