About 142ish i think. sorry if it's not the answer you were looking for.
Answer:
-8 
Step-by-step explanation:
÷
=
x 12
=
= -8 
Answer:
1:5
Step-by-step explanation:
For this problem, you just have to evaluate the proportion of the length of the sides between triangles nmo and kml.
So LM = 12, which corresponds to OM = 60 (12 X 5 = 60)
KM = 10, which corresponds to NM = 50 (10 X 5 = 50)
16 is the answer to this question.