Ariana R.

asked • 05/03/19

Exponential growth and decay word problem

A population of 80 cougars decreases at a rate of 5% per year.

A. How many cougars will there be after 6 years?

B. After how many years will the population first drop below 40 cougars?

Aaron S.

A. 0.05*80= 4. 4*6 years =24. 80-24=56 B.56-4 = 7 years (52), 52-4 = 8 years (48), 48-4 = 9 years (44), 44-4 = 10 years (40), 40-4 = 11 years (36)
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05/03/19

1 Expert Answer

By:

Jake Z. answered • 05/06/19

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