Jawabanmu

2014-06-12T10:34:14+07:00
(x+y+26)/3 =24
x+y+26 = 24.3 = 72
x+y = 72-26= 46
 
rata2 x,y = 46:2 = 23
2014-06-12T10:38:39+07:00
(x+y+26)/3=24
(x+y+26)=72
x+y=72-26=46
rata2 x dan y=(x+y)/2=46/2=23