Jawabanmu

2014-02-23T18:42:05+07:00
20% = 20: 100 = 0,2 
0.2 + 8 = 10 Kali 
2014-02-23T18:54:51+07:00
Misal bnyak bermain = b
20%b + 8 = b
1/5b+8=b
        8= b -1/5b
       8 = 4/5b
        b = 10
jadi bnyak bermainnya 10 kalii