Timothy purchased a computer for $1,000. The value of the computer depreciates by 20% every year. This situation represents
So the value of the computer each year is
% of the value in the previous
The rate of growth or decay, r, is equal to
year.
It will take
years for the value of the computer to reach $512

1.exponential decay 2. 0.2 3. 80% 4. 3 years

no idea

step-by-step explanation:

answer: 7 x 2/5 = 2.8 hours, is your answer. your welcome! : 3

step-by-step explanation: first work out how long it took to hose 1/7 of the lawn which is 2/5 hours. times that by 7 to get the whole lawn.

sorry i don't know the other answer. i didn't learn what a proportional relationship is.