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Homework Help: maths

Posted by rose on Tuesday, February 15, 2011 at 7:43am.

four teenagers collected a total of £64 for charity. each teenager collected a whole number of pounds. the modal amount collected was £16. the range of the amounts collected was £2. work out how much each teenager collected?

• maths - rose, Tuesday, February 15, 2011 at 7:54am

  please someone answer
  

• maths - Reiny, Tuesday, February 15, 2011 at 10:03am

  Had they collected £16 each, the mode would have been £16 but the range would have been £0
  So two of them must have been £2 apart
  
  How about
  £16, £16, £15, £17
  

• math - PsyDAG, Tuesday, February 15, 2011 at 10:07am

  Tutors come online at different times of the day, so you won't necessarily get immediate answers.
  
  With 4 teens, at least two must have collected the modal amount 16 + 16.
  
  64 - 32 = 32
  
  With range of only 2, the remaining two must be one above and one below the mode.
  

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