TOLONG YA DIJAWAB NO. 11,12,DAN 13

11. 1.2=12/10-1/4=24/20-5/20=19/20
=19/100:19/20=19/100x20/19=760/190=d.4
Kpk=20

12.4/1,25x8=32/100=32%

13.24/100=0,24(buku dongeng)
2/5=0,4(pelajaran)
0.36(ensiklopedia)
=C.Buku teks pelajaran paling banyak