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Pani-rosa [81]
2 years ago
14

Don’t know how to solve.

Mathematics
1 answer:
iVinArrow [24]2 years ago
3 0

Answer:

$122.88

Step-by-step explanation:

the phone decreases by 20% each year , that is

(100 - 20)% = 80% = \frac{80}{100} = 0.8

the phone reduces by a factor of 0.8 each year , then after 4 years

value = $300 × (0.8)^{4} = $122.88

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