3. A computer is purchased for $1000 and depreciates (loses value) by 15% each year. A. What percent of value does the computer retain each year?

B. Write a function that models the
value of the computer after t years.

Explain.

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step-by-step explanation:

distance covered by pamela in 9 l of fuel = 99km

let us apply unitary method here.

distance covered by pamela in 1 l of fuel =99/9 =11 km

now let us find distance covered by pamela if she has 12 l of fuel.

distance covered in 12 l = distance covered in 1 l of fuel * 12

we know that distance covered by here in 1 l is 11 km.

so distance covered in 12 l of fuel = 11*12 = 132 km.

the answer is b.

step-by-step explanation: