35.
Rata2
= (6 + 8 + 8 + 7 + 6 + 9 + 9 + 9 + 8 + 9)/10
= 79/10 = 7,9
Jawab B
36.
=(25 x 3 + 26 x 5 + 27 x 4 + 28 x 3 + 30 x 5)/20
= (75 + 130 + 108 + 84 + 150)/20
= 547/20
= 27,35
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Cara: 6+8+8+7+6+9+9+9+8=79
= 79 ÷ 10
= 7,9
35.
Rata2
= (6 + 8 + 8 + 7 + 6 + 9 + 9 + 9 + 8 + 9)/10
= 79/10 = 7,9
Jawab B
36.
Rata2
=(25 x 3 + 26 x 5 + 27 x 4 + 28 x 3 + 30 x 5)/20
= (75 + 130 + 108 + 84 + 150)/20
= 547/20
= 27,35
Jawab B