Answer:
ANSWER
\frac{9}{25}
Step-by-step explanation:
The given information is represented on the Venn diagram above, where x represents students who have both cat and dog.
The sum of all the regions should give us 25.
Group similar terms to obtain;
- x + x - x = 25 - 15 - 16 - 3
Simplify
- x = - 9
x = 9
