tolong dong caranya gimana please??

p=1/3 q=3/4 r=5/6
2pq+5pr=2.1/3.3/4+5.1/3.5/6
=1/2+25/18
=9/18+25/18
=34/18 atau 1 8/9

dik: p=1/3
      q= 3/4
      r= 5/6
dit: 2pq + 5pr
peny:
=2 (1/3 x 3/4) + 5 (1/3 x 5/6)
=2 3/12 + 5 5/18
=(2 + 5) + (3/12 + 5/18)
=7 + (9/36 + 10/36)
= 7 19/36

Maaf kalo salah:(