seen from United States
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seen from China
seen from China
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seen from United States
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seen from Italy
seen from United States
seen from United States
seen from Italy
A pretty easy pulley problem with El the Elephant and friends. A slightly more interesting problem is how much more El needs to weigh than the average weight of her friends to lift them.
Puzzle from Brilliant.org.
https://brilliant.org/daily-problems/elephant-pulleys-5/
