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Full Member
Feb 29, 2012
  1. Pre-Dental
    what is the median for a series of five consecutive odd integers where the sum of the smallest and the largest numbers are 34?

    the answer is 17 but i have no idea how to set it up. any help? thanks


    Full Member
    10+ Year Member
    7+ Year Member
    Dec 11, 2007
    1. Pre-Dental
      They are consecutive, so the difference between the first and the fifth is 8. (quickling counting 1,3,5,7,9 on my hand, and seeing 9-1=8)
      From there, i would start in the middle of 34 and see whether i need to move higher or lower to find my median. 34/2=17. If im starting at 17, and i know the difference is 8, then i need to add 4 above, and subtract 4 below to maintain that 8 differential.
      13+21=34. Done

      Had the final answer been above 34, i would have moved the values down respectively. If it was 38 i would know moving down to the next odd number will subtract 2 from my lower end, and 2 from my upper end, leaving me with 34. (there might be a quicker way)
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