Tolong dijawab plis besok dikumpulkan​

Jawaban:

28

Penjelasan dengan langkah-langkah:

30+30+31+28+26+31+26+27+29+27+27+28+26+29+28+29+29+26+31+25+25+30+29+27+28+29+26+25+30+28 / 30

= 840 / 30

= 28