sie61 sie61
  • 28-10-2019
  • Mathematics
contestada

sam picked four numbers out of the hat. after adding up the four numbers, he found that fhe average was 9. three of the numbers are 5,9, and 12. what is the fourth number

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kamoramitchell6 kamoramitchell6
  • 28-10-2019

answer

10

explanation

4×9=36

36-5

31-9

22-12

answer 10

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