text: # Math
  
  posted by on .
  
  A boy can rake a yard in 2.5 hours, his sister can rake it in 4 hours. How long will it take both of them to rake it?
  
  • Math - ,
  
  boy's rate = 1/2.5 or 2/5
  sister's rate = 1/4
  
  combined rate = 2/5 + 1/4 = 13/20
  
  time at combined rate = 1/(13/20)
  = 20/13 hrs or appr 1.54 hrs or 1 hour and 32 minutes
explanation: The document contains a math question about the time it takes for a boy and his sister to rake a yard together, along with a detailed solution to the problem.
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: # Math
  
  posted by on .
  
  A boy can rake a yard in 2.5 hours, his sister can rake it in 4 hours. How long will it take both of them to rake it?
  
  • Math - ,
  
  boy's rate = 1/2.5 or 2/5
  sister's rate = 1/4
  
  combined rate = 2/5 + 1/4 = 13/20
  
  time at combined rate = 1/(13/20)
  = 20/13 hrs or appr 1.54 hrs or 1 hour and 32 minutes
distilabel_metadata.role: user
distilabel_metadata.raw_output_q_a_detector_0: The document contains a math question about the time it takes for a boy and his sister to rake a yard together, along with a detailed solution to the problem.
  
  Label: question-and-answer