Answer:
Below.
Step-by-step explanation:
Triangles ABC and CDE are congruent by 2 angles and the corrrespnding side (AAS).
Therefore AC = CE.
So C is the midpoint of AE.
Hope this helps
x=y+9
substitute
3(y+9)+8y=-6
3y+27+8y= -6
13y = -6 -27
13y= -33
y = -33/13
x = -33/13 + 9
Answer: 24 model airplanes can be made in 2 hours.
