I need help with this practice If usually 15% of them die from natural causes, (survival of the fittest) how many would be there? Estimated?

We can count 31 eggs in this cluster. If they're expected to be equal, we do:
3x31 = 93.
Angelina will expect 93 baby snails.
If usually 15% of them die from natural causes, (survival of the fittest) how many would be there? Estimated?
If 15% die, we have 85% surviving. So:
0.85*93 = 79.05.
About 79 baby snails will survive and 14 will die.