Jawab buat besok kaka

No 13 =0,2(d) , no 15 =9cm(a), no11=11(c )

12)gak tau
13)6/30=0,2
14)38%+0,24=%38+24%
=100%-62%
=38/100=19/50
15)gak tau
16)3800-(1260+1200)
=3800-2460
=1340m