smile4meehpleaz
smile4meehpleaz smile4meehpleaz
  • 27-02-2017
  • Mathematics
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The average of three test scores if the first two scores are 79 and 93;  s = the third test score

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Oisincarolan12
Oisincarolan12 Oisincarolan12
  • 27-02-2017
79 + 93 + s = 172 + s then... 172 ÷ 3 and s ÷ 3 to get 57.3333 etc. + 1/s I think
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