The answer is A
You would multiply the second equation by -2 to clear the 'y'.
This leaves -10x = 2B and 3x = A
When combining these we get -7x = A - 2B
35:50 simplified is 7:10 because 5 goes into 35 7 times and 5 goes into 50 10 times.
Answer:
8 animals
Step-by-step explanation:
