The way the problem is written, each animal was weight twice — and only twice. If the total weight of the three weighings in the three combinations of animals was 54 kg and it doesn’t matter how much each one weighs, just divide 54 by 2 and you get 27 kg.
The way the problem is written, each animal was weight twice — and only twice. If the total weight of the three weighings in the three combinations of animals was 54 kg and it doesn’t matter how much each one weighs, just divide 54 by 2 and you get 27 kg.
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LOL! Demonstrated the importance of reading comprehension didn’t it?