Bottles: 1, 2, 3, 4
Weight (Ib): 1.25, 2.5, 3.75, 5.0
If we assume that the weight of each bottle increases by 1.25 pounds for each subsequent bottle, we can create a pattern:
Bottle 1: 1.25 lbs
Bottle 2: 2.5 lbs (1.25 + 1.25)
Bottle 3: 3.75 lbs (2.5 + 1.25)
Bottle 4: 5.0 lbs (3.75 + 1.25)
So, the weights of the bottles would be 1.25 lbs, 2.5 lbs, 3.75 lbs, and 5.0 lbs respectively.