Photographing 47161
While photographing the class, Henry noticed that he was only 8 cm tall in the photo, while Patrik standing next to him was 8.5 cm tall. Based on his height, Henry calculated that Patrik must measure 17 dm. How tall is Henry?
Correct answer:

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You need to know the following knowledge to solve this word math problem:
basic operations and conceptsnumbersUnits of physical quantitiesGrade of the word problem
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