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40 votes
40 votes
(1 point)

In 2003, the price of a certain automobile was approximately $31,500.00 with a depreciation of $2,280.00 per year. After how many years will
the car's value be $17,820.00?
a) Write an equation to model the problem. Let t represent the number of years after 2003.
Answer:
b) Solve the equation to answer the question above. (Note: Include the units, in this case years.)
Answer:

User John Mcfetridge
by
3.5k points

1 Answer

14 votes
14 votes

Answer:

y = -2280x + 31,500

or

when x = 6

so 6 years

Explanation:

y = -2280x + 31,500

y = -2280(6) + 31,500

y = -13,680 + 31,500

y = 17,820

User Thomas Lauria
by
2.9k points