text: # On average how much time did each of the last 40 people spend doing voluntary work?
  
  +1 vote
  100 views
  
  30 charity workers gave an average of three hours of their time per month doing voluntary work.
  
  With the success of the project, a further 40 volunteers were recruited and the average hours given per month by all the volunteers rose to eight.
  
  On average how much time did each of the last 40 people spend doing voluntary work?
  
  posted Nov 10, 2014
  
  30 workers time taken be x
  40 workers time taken be y
  Acc to first condition
  x/30 = 3
  x=90
  Acc to second condition
  x+y/70=8
  90+y/70=8
  90+y = 560
  y=470
  So average of 40 volunteers will be 470/40 =47/4 = 11.75
  
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explanation: The document contains a math question and its corresponding answer. The question is about calculating the average time spent by the last 40 volunteers doing voluntary work, and the answer provides a step-by-step 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
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distilabel_metadata.content: # On average how much time did each of the last 40 people spend doing voluntary work?
  
  +1 vote
  100 views
  
  30 charity workers gave an average of three hours of their time per month doing voluntary work.
  
  With the success of the project, a further 40 volunteers were recruited and the average hours given per month by all the volunteers rose to eight.
  
  On average how much time did each of the last 40 people spend doing voluntary work?
  
  posted Nov 10, 2014
  
  30 workers time taken be x
  40 workers time taken be y
  Acc to first condition
  x/30 = 3
  x=90
  Acc to second condition
  x+y/70=8
  90+y/70=8
  90+y = 560
  y=470
  So average of 40 volunteers will be 470/40 =47/4 = 11.75
  
  Similar Puzzles
  
  Over 25 weeks, a student trying to save up for a much wanted item only managed to put aside an average of £2 per week.
  
  He then found a part-time job and after a total of 45 weeks his average savings rose to £9 per week.
  
  How much did he save on average each week for the 20 weeks after getting the job?
  
  +1 vote
  
  Edward spent \$21 on drinks for a party. If the bottle of vodka he purchased was twice the price of the case of beer, and the lemonade was half the price of the beer.
  How much did Edward spend on the beer?
  
  30 people were given 10 quiz questions, they correctly answered an average of only three each.
  
  After a further 30 people had answered the quiz, the average number of correct answers rose to six per person.
  
  What was the average number of correct answers from each of the last 30 people only?
  
  In a doctors' surgery the first 15 patients were only in the consulting room for an average of three minutes each.
  
  After a further 30 people had seen their doctor, the average number of minutes spent in the consulting room increased to eight minutes per patient.
  
  What was the average amount of time each of the last 30 patients spent in the consulting room?
distilabel_metadata.role: user
distilabel_metadata.raw_output_q_a_detector_0: The document contains a math question and its corresponding answer. The question is about calculating the average time spent by the last 40 volunteers doing voluntary work, and the answer provides a step-by-step solution to the problem.
  
  Label: question-and-answer