Answer:
There are 10 cows and 16 chickens
Answer:

Step-by-step explanation:
The line passes the origin(0,0) and point (4,3). Using rise/run we can tell that the slope is 4/3
and using y=mx+b where m represents the slope we can tell that the final equations is 
2,000(two thousands)+ 9(nine ones)=2,009. But, - 3(three ones)= 2,006
The correct answer to this is A because it is a sum