At the Laika Boss Kennel Club, there are 15 dogs that are hairy or small, 2 dogs that are hairy and small, and 9 dogs that are small. How many dogs are hairy?

There are 8 number of hairy dogs.

Step-by-step explanation:

It is given that:

Number of small dogs (Let it be ) = 9

To find:

Number of hairy dogs (Let it be ) = ?

Also given the following things:

Number of hairy or small dogs () = 15

Number of hairy and small dogs(both) () = 2

We can use the following formula:

To find , We have to subtract once because both contain the common part and it gets added twice. So, it is subtracted once.

Putting the values in above formula:

Hence, the number of hairy dogs are 8.

16.9 times 2.85

step-by-step explanation: