Question

Timothy purchased a computer for $1,000. the value of the computer depreciates by 20% every year.

this situation represents
the rate of growth or decay, r, is equal to
year.
so the value of the computer each year is
% of the value in the previous
it will take
years for the value of the computer to reach $512.

Answer 1

Answer: It takes 3 years

Explanation:

20 percent of 1000 is 200 so 1000-200=800. Year 1

20 percent of 800 is 160 so 800-160=640. Year 2

20 percent of 640 is 128 so 640-128=512. Year 3

So in total in takes 3 years

Answer 2

See photo

Explanation:

Edmentum/Plato