text: +0
  
  # A man weighs 100 kilograms plus half its own mass. What is his total mass?
  
  0
  459
  2
  
  A man weighs 100 kilograms plus half its own mass. What is his total mass?
  
  Guest Apr 19, 2015
  
  #2
  +1817
  +5
  
  $${\mathtt{M}} = {\mathtt{100}}{\mathtt{\,\small\textbf+\,}}{\frac{{\mathtt{M}}}{{\mathtt{2}}}}$$
  
  $${\mathtt{M}}{\mathtt{\,-\,}}{\frac{{\mathtt{M}}}{{\mathtt{2}}}} = {\mathtt{100}}$$
  
  $${\frac{{\mathtt{2}}{M}}{{\mathtt{2}}}}{\mathtt{\,-\,}}{\frac{{\mathtt{M}}}{{\mathtt{2}}}} = {\mathtt{100}}$$
  
  $${\frac{{\mathtt{M}}}{{\mathtt{2}}}} = {\mathtt{100}}$$
  
  $${\mathtt{M}} = {\mathtt{200}}$$
  
  gibsonj338  Apr 19, 2015
  Sort:
  
  #1
  +26625
  +5
  
  Let M be the mass. Then
  
  M = 100 + M/2
  
  Subtract M/2 from both sides
  
  M/2 = 100
  
  Multiply both sides by 2
  
  M = 200 kg  (Heavy man!)
  
  .
  
  Alan  Apr 19, 2015
  #2
  +1817
  +5
  
  $${\mathtt{M}} = {\mathtt{100}}{\mathtt{\,\small\textbf+\,}}{\frac{{\mathtt{M}}}{{\mathtt{2}}}}$$
  
  $${\mathtt{M}}{\mathtt{\,-\,}}{\frac{{\mathtt{M}}}{{\mathtt{2}}}} = {\mathtt{100}}$$
  
  $${\frac{{\mathtt{2}}{M}}{{\mathtt{2}}}}{\mathtt{\,-\,}}{\frac{{\mathtt{M}}}{{\mathtt{2}}}} = {\mathtt{100}}$$
  
  $${\frac{{\mathtt{M}}}{{\mathtt{2}}}} = {\mathtt{100}}$$
  
  $${\mathtt{M}} = {\mathtt{200}}$$
  
  gibsonj338  Apr 19, 2015
  
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explanation: The document contains a math question and an answer to this question. The question is: "A man weighs 100 kilograms plus half its own mass. What is his total mass?" The answer provided is 200 kg.
distilabel_metadata.content: Evaluate the user given text extract and determine if it contains a math question and optionally and answer to this question.
  
  Output rules:
  
  1. Briefly describe the document and mention if it contains a question or a question and answer.
  2. Finalize the output with: Label: no-question,question,question-and-answer,multiple-question,multiple-question-and-answer
distilabel_metadata.role: system
distilabel_metadata.content: +0
  
  # A man weighs 100 kilograms plus half its own mass. What is his total mass?
  
  0
  459
  2
  
  A man weighs 100 kilograms plus half its own mass. What is his total mass?
  
  Guest Apr 19, 2015
  
  #2
  +1817
  +5
  
  $${\mathtt{M}} = {\mathtt{100}}{\mathtt{\,\small\textbf+\,}}{\frac{{\mathtt{M}}}{{\mathtt{2}}}}$$
  
  $${\mathtt{M}}{\mathtt{\,-\,}}{\frac{{\mathtt{M}}}{{\mathtt{2}}}} = {\mathtt{100}}$$
  
  $${\frac{{\mathtt{2}}{M}}{{\mathtt{2}}}}{\mathtt{\,-\,}}{\frac{{\mathtt{M}}}{{\mathtt{2}}}} = {\mathtt{100}}$$
  
  $${\frac{{\mathtt{M}}}{{\mathtt{2}}}} = {\mathtt{100}}$$
  
  $${\mathtt{M}} = {\mathtt{200}}$$
  
  gibsonj338  Apr 19, 2015
  Sort:
  
  #1
  +26625
  +5
  
  Let M be the mass. Then
  
  M = 100 + M/2
  
  Subtract M/2 from both sides
  
  M/2 = 100
  
  Multiply both sides by 2
  
  M = 200 kg  (Heavy man!)
  
  .
  
  Alan  Apr 19, 2015
  #2
  +1817
  +5
  
  $${\mathtt{M}} = {\mathtt{100}}{\mathtt{\,\small\textbf+\,}}{\frac{{\mathtt{M}}}{{\mathtt{2}}}}$$
  
  $${\mathtt{M}}{\mathtt{\,-\,}}{\frac{{\mathtt{M}}}{{\mathtt{2}}}} = {\mathtt{100}}$$
  
  $${\frac{{\mathtt{2}}{M}}{{\mathtt{2}}}}{\mathtt{\,-\,}}{\frac{{\mathtt{M}}}{{\mathtt{2}}}} = {\mathtt{100}}$$
  
  $${\frac{{\mathtt{M}}}{{\mathtt{2}}}} = {\mathtt{100}}$$
  
  $${\mathtt{M}} = {\mathtt{200}}$$
  
  gibsonj338  Apr 19, 2015
  
  ### 4 Online Users
  
  We use cookies to personalise content and ads, to provide social media features and to analyse our traffic. We also share information about your use of our site with our social media, advertising and analytics partners.  See details
distilabel_metadata.role: user
distilabel_metadata.raw_output_q_a_detector_0: The document contains a math question and an answer to this question. The question is: "A man weighs 100 kilograms plus half its own mass. What is his total mass?" The answer provided is 200 kg.
  
  Label: question-and-answer