A population of cheetahs decreases by 13% per year. How many cheetahs will there be in the population after 5 years?

13 percent * 5 years = 65

65% of the cheetah population will be lost in 5 years.

100 percent - 65 percent = 35.

35% of the cheetah population will remain in 5 years.

I do not see how this is a high school question, it's easy.