If 19 out of 28 renters keep a pet, there are [tex] 28-19 = 9 [/tex] renters who don't keep a pet.
Whenever you have a subset of some set, and you want to know which percentage of the set the subset represents, you simply have to compute
[tex] \dfrac{\text{number of elements in the subset}}{\text{number of elements in the set}}\times 100 [/tex]
So, in your case, you're wondering what percentage of 28 does 9 represent. So, the formula becomes
[tex] \dfrac{9}{28}\times 100 = 0.32\overline{142857}\times 100 = 32.\overline{142857} \approx 32.14\% [/tex]
The percentage of renters in the 28 units apartment complex that does not keep a pet is; 32.14%.
According to the question, the complex contains 28 units of which 19 of the renters keep a pet.
Since, 19 of the renters keep a pet, then;
The no. of renters without a pet = 28 - 9
Therefore, 9 renters do not keep a pet.
To determine What percentage does not keep a pet, we need to express;
9/28 as a percentage as follows;
(9/28) ×100%
= 32.14%.
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