Where is it? I can’t help you without it.
If 19 out of 28 renters keep a pet, there are
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

So, in your case, you're wondering what percentage of 28 does 9 represent. So, the formula becomes

Try this option (see the attachment), if it is possible check result in other sources.
Answer:
The goat population reaches 1000 in 12.4 years
Step-by-step explanation:
After <em>t </em>years, the number of goats is given by

where
is the initial number of goats and <em>b</em> is the per capita growth rate.
From the question,
- <em>b</em> = 0.5
- <em>N</em> = 1000



