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There were 100 patients in a road trauma hospital. Some of the patients had only one leg. Half the rest had no legs. In total how many legs did the 100 patients have?
Answer:100. The group with one leg each averages one leg per person. The rest are split into 2 equal groups. One group has no legs, so the other group must have 2 legs each, meaning these 2 groups average one leg per patient. Therefore, overall, the average is one leg per patient, therefore there is a total of 100 legs.
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