Let the stool height be h and the cat height be c. The diagrams give h + c = 85 and h − c = 25. Adding both equations gives 2h = 110, which results in a stool height of ...
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Let the stool height be h and the cat height be c. The diagrams give h + c = 85 and h − c = 25. Adding both equations gives 2h = 110, which results in a stool height of ...