rkbilkhu1353 rkbilkhu1353
  • 02-12-2021
  • Mathematics
contestada

The mean of 7 numbers is 15. When an 8 thnumber is added, the mean decreases to 12. What is the 8 thnumber?.

Respuesta :

chencrystal9002
chencrystal9002 chencrystal9002
  • 02-12-2021

Answer:

-9?????????????????????????

Step-by-step explanation:

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