Just plug in 4 for the x
2*4 +4y =36
8+4y =36
4y =36-8
4y=28
y= 28/4
y=7
Answer: 0 is a number though it is not an even or an odd number we have to count from zero always 0 is always the first number. 0 is also a whole number
I hope I helped
Fraction of household owning pets = 

Conclusion:
The fraction of the household own cats is <em>two-fifteenth </em>
All of them because they can't be multiply by nothing more than 1 Exept 27
May you break down your problem so that I can help you