Respuesta :

Answer:

7

Step-by-step explanation:

15 plus 6 equals 21

21 divided by 3 is 7

Chelboy

Answer:7

Step-by-step explanation:

sum of 15 and 6

15+6=21

1/3 Of The sum

1/3 of 21

1/3 x 21

(1x21)/3

21/3=7

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