Answer:
27 Chickens and 3 Cows.
Step-by-step explanation:
27*2=54 (chickens), 3*4=12 (cows), 54+12=66.
It is impossible to draw a parallelogram with 4 parallel lines (or to draw any quadrilateral with 4 parallel lines, for that matter).
3x=90 2x=50
And the last one is 40