tuti58 tuti58
  • 23-03-2017
  • Mathematics
contestada

The average number is 21. If three of the numbers are 12 18 and 28. What is the missing number

Respuesta :

avamarie18 avamarie18
  • 23-03-2017
Use 21 and subtract to find the answer between them
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lowkeyjaz004 lowkeyjaz004
  • 24-03-2017
The missing number is 26 because 12+18+28+26=84. 84/4=21
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