Respuesta :

choixongdong
36 / 0.75 = 48

original weight = 48 lbs

double check:
48 * 0.25 = 12

48 - 12 = 36 lbs

answer
48lbs
mreijepatmat
Let x be the initial weight of Carl's luggage
He has to lower it by 25% so that to get 36 kg:

x - (25%).x = 36

x - 0.25.x = 36

0.75.x = 36
Divide both sides by 0.75

x = 36/0.75

and x = 48 kg (original weight)


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