Tlg no (8,9,11,12) Jawabannya udh ada caranya pleasee

8.)
2pq+5pr
2pq=2×1/3×3/4=1/2
5pr=5×1/3×5/6=25/18
2pq+5pr
1/2+25/18
9/18+25/18=34/18=1.16/18=1.8/9 ( B )
9.)
{48.000-(15/100×48.000)}×3
{48.000-7.200}×3
40.800×3
122.400 ( C )
12.)
32/40×100%
80% ( D )
maaf klo kurang.
smoga benar