Respuesta :

mathstudent55

1/3(21m + 27) =

= 1/3 * 21m + 1/3 * 27

= 7m + 9

Answer: B. 7m + 9

smmwaite

Answer

7m + 9

Explanation

1/3 (21m + 27)             First open the brackets by multiplying what is inside the parenthesis by 1/3.

1/3 (21m + 27)  = 1/3×21m + 1/3×27

                       = 7m + 9

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