Answer:
-47/60
Step-by-step explanation:
If u = 3/2, v = -4/3, w = -2/5,
1/2(u+2v+w) = 1/2[3/2+2(-4/3)+(-2/5)
= 1/2(3/2-8/3-2/5)
= 1/2(-47/30)
= -47/60
