Have a math question for you guys

Collapse
X
 
  • Time
  • Show
Clear All
new posts
  • playersonly69
    SBR Posting Legend
    • 01-04-08
    • 12827

    #1
    Have a math question for you guys
    What is the rule for the pattern below


    3,8,23,___
  • PickWinnerAllDay
    SBR Posting Legend
    • 08-31-11
    • 12722

    #2
    dunno but the next number is 48
    Comment
    • rm18
      SBR Posting Legend
      • 09-20-05
      • 22291

      #3
      68 will be my goal if you bout it girl lets roll
      Comment
      • RudyRuetigger
        SBR Aristocracy
        • 08-24-10
        • 65084

        #4
        my guess is 68

        not enough info though

        Comment
        • PickWinnerAllDay
          SBR Posting Legend
          • 08-31-11
          • 12722

          #5
          There is no pattern b/c it could be 48 or 68.
          Comment
          • jeffdane
            SBR Hall of Famer
            • 09-20-09
            • 5165

            #6
            68 def
            Comment
            • The Kraken
              BARRELED IN @ SBR!
              • 12-25-11
              • 28918

              #7
              I'd lean 68 over 48 but not sure what the rule is.
              Comment
              • RudyRuetigger
                SBR Aristocracy
                • 08-24-10
                • 65084

                #8
                3 * the next number - 1
                Comment
                • playersonly69
                  SBR Posting Legend
                  • 01-04-08
                  • 12827

                  #9
                  I knew that 68 was probably it, but wasnt sure. This was for my 5th grade daughters GT class homework by the way
                  Comment
                  • warriorfan707
                    SBR Posting Legend
                    • 03-29-08
                    • 13698

                    #10
                    3x -1

                    obv
                    Comment
                    • InTheDrink
                      SBR Posting Legend
                      • 11-23-09
                      • 23983

                      #11
                      Originally posted by RudyRuetigger
                      3 * the next number - 1
                      could just as easily be 183 = multiply last 2 numbers in the sequence - 1

                      not enough info to say for sure
                      Comment
                      • Full Time Hobo
                        SBR MVP
                        • 05-16-10
                        • 2778

                        #12
                        3x-1 is the pattern.

                        I don't know what the 'rule' is though.
                        Comment
                        • trytrytry
                          SBR Posting Legend
                          • 03-13-06
                          • 23649

                          #13
                          these 3x patterns are easy to see...
                          Comment
                          • sweethook
                            SBR Posting Legend
                            • 11-21-07
                            • 12667

                            #14
                            even
                            Comment
                            • ttwarrior1
                              BARRELED IN @ SBR!
                              • 06-23-09
                              • 28456

                              #15
                              28.......

                              13 and 18 are before, 28 after
                              Comment
                              • Gee
                                SBR MVP
                                • 04-08-10
                                • 4547

                                #16
                                I googled the numbers. I don't actually understand the explanation and think 3x -1 is easier (and gives the same answer), but its clearly what they are looking for:

                                12. This sequence consists out of two alternating series. <center>3 8 23 68 203 608</center>
                                1. The first series shows the relation between the 1st and 3rd number, 3rd and 5th etc. in this case this following relation exists: 23-3=20 203-23=180.
                                  This difference is a multiple of each other by a factor of 180/20=9.
                                2. The second series shows the relation between the 2nd and 4th number, the 4th and 6th etc. in this case 68-8=60. Finding the next number in the sequence means using the relation from the first series.
                                3. This means that 60 must be multiplied by 9, resulting in 540. This number is added to 68 which results in 608 as next number in the sequence.


                                Comment
                                • wantitall4moi
                                  SBR MVP
                                  • 04-17-10
                                  • 3063

                                  #17
                                  If it is for a 5th grader I would suspect the 'correct' answer will be 48.

                                  Especially if they know everyone will google it and get the answer above.
                                  Comment
                                  SBR Contests
                                  Collapse
                                  Top-Rated US Sportsbooks
                                  Collapse
                                  Working...