Question
Japheth is standing on a chair. The top of his head is 123 m away from the ground. The chair is 12 m high. What is Japheth's height? Leave your answer as a mixed number.
3 m

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Japheth is standing on a chair. The top of his head is 123 m away from the ground. The chair is 12 m high. What is Japheth's height? Leave your answer as a mixed number.