SOLUTION: a machine depreciates in value each year by 8% of its value at the beginning of the year. After how many years will its value first be less than half its original value?
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-> SOLUTION: a machine depreciates in value each year by 8% of its value at the beginning of the year. After how many years will its value first be less than half its original value?
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Question 982141: a machine depreciates in value each year by 8% of its value at the beginning of the year. After how many years will its value first be less than half its original value? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = it's original value
Let = it's final value
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Let = number of years until becomes
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Divide both sides by
At the end of the 8th year, the value will
be less than 1/2 of it's original value
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check:
close enough
