Jawabanmu

2014-05-02T15:52:58+07:00
6,02= 45.5,8 + 5.x /50
6,02.50 = 261 + 5x
301 = 261 + 5x
301 - 261 = 5x
40=5x
5x=40
  x=40/5 = 8
jadi rata rata 5 anak td nilainya 8
45x5,8=261
45x5,8=261
50x6,02=301
301-261=40
40/5=8
2014-05-02T16:31:15+07:00
Rata rata jumlah nilai total
                                     
             banyak data