Let us assume the total number of people surveyed be = 1500
People who own a dog = 925
People who also own a cat along with dog = 16
So, people who own only dog = 925-16 = 909
A.
The fraction of people who own both a dog and a cat are =

=

B.
Number of people who own a dog and not a cat are = 909
In fraction it will be
