The value of a specific piece of machinery depreciates at a rate of 10% per year. The initial value of the machinery is $400. Write a formula that models the value of the machine after "t" years.
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Respuesta :

Answer: Y= 400 (1-0.1t)

Step-by-step explanation:

Y the value after depreciation period

400 initial value

0.1 dep rate

T time