Well, if there are 12 eggs grouped together, and 5 of them hatch to be snakes.... More than likely the other 7 will also turn out to be snakes because the eggs are all grouped together. Nature has tendency of grouping similar items together. Also, logically, it is not possible in the nest of snakes eggs of there species could be found as the mother snake would identify them soon.
Step-by-step explanation:first thins problem is impossible without knowing the lifespan of a puma. But if you knew it oh let’s say it was 20 you would subtract the puma by 8.