To hunt and kill a wildebeest, 4 lions need to be in on the hunt.
To measure the energy we use the unit kilo calories (kcal).
Given that the total energy cost to hunt and kill a wildebeest is 50,000 kcal and the maximum energy that can be spent by a lion is 15,000 kcal.
The number of lions needed to hunt and kill a wildebeest can be calculated by dividing 50,000 kcal by 15,000 kcal
= 50,000/15,000 = 3.33 lions
As this value is not a whole number, the number of lions can either be 3 or 4.
As 3 lions will not be enough for the hunting, therefore 4 lions are needed.
Thus, to hunt and kill a wildebeest, 4 lions need to be in on the hunt.
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