Answer:
The care is 4 years old
Explanation:
V = -2000t + 23,000
15000 = -2000t + 23,000
15000 - 23000= -2000t (+ 23,000 - 23000)
- 8000 = -2000t
- 8000/-2000 = -2000t/-2000
t = 4
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