moropstroKers
moropstroKers moropstroKers
  • 08-06-2016
  • Mathematics
contestada

1/3(21m + 27)
a. 63m + 9
b. 7m + 9
c. 7m + 81
d. 7m + 27

Respuesta :

Аноним Аноним
  • 08-06-2016
1/3(21 m+27)=21/3 m + 27/3=7 m + 9.

Answer: b.  7 m + 9
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