Answer:
Step-by-step explanation:
c = cats, d = dogs
c + d < = 8......thats less then or equal (because there can be no more then 8 animals in the van ...thats all it can carry
16c + 35d < = 225.....thats less then or equal (because each 16 lb cat and each 35 lb dog CANNOT have a total weight over 225...it would have to be less or equal to