Answer:
p=
Step-by-step explanation:
30100 have dogs, 18100 have cats.
The question simply asks for a union scenario thus the law of AND & OR is applicable.
Therefore:-Those who have both cats and dogs partially have cats.

Answer: (8, 45)?
Step-by-step explanation:
Answer:
Their were 42 kids on each bus.
Step-by-step explanation:
You have to divide the number of kids(210) by the number of buses.