ConstanceBhoo3550 ConstanceBhoo3550
  • 08-09-2018
  • Mathematics
contestada

David has scored 81 , 87 , 69 , and 82 on his previous four tests. what score does he need on his next test so that his average (mean) is 82 ?

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redgram59 redgram59
  • 09-09-2018
91 so the mean can avrege out to 82
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