Jawabanmu

2014-05-29T20:02:30+07:00
1) 5/7+ 30%
5/7+30/100=710/700=71/70=1,014
2)3,8+74%
3,8+74/100=3,8+0,74=4,54
2014-05-29T20:03:24+07:00
A. 5/7 + 30% 
=5/7 + 30/100
=500/700 + 210/700
=710/700
=71/70

b. 3,8+74%
=38/10 + 74/100
=380/100 + 74/100
= 454/100
=227/50
=4,54

smoga bener ^^