100 pounds of Bricks
OR
100 pounds of Chickens
[spoiler][b][u][i]THE CHICKENS[/i][/u][/b]
You can carry 100 pounds of bricks on your back
You can also carry 100 pounds of chickens on your back, but you have to shoulder the weight of killing those chicken
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How are you going to balance 45kg of bricks on your back?