SOLUTION: Yi Chen made a $6,400 investment at the beginning of a year. By the end of the year, the value of the investment had decreased by 8.2%. What was its value at the end of the year?

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Question 111666: Yi Chen made a $6,400 investment at the beginning of a year. By the end of the year, the value of the investment had decreased by 8.2%. What was its value at the end of the year?
I do not no where to start with this one help please.
Answer by malakumar_kos@yahoo.com(315) About Me  (Show Source):
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Yi Chen made a $6,400 investment at the beginning of a year. By the end of the year, the value of the investment had decreased by 8.2%. What was its value at the end of the year?

Investment made at the beginning of the year = $ 6400
decreased value is = 8.2%
hence decreased value = 8.2*6400/100 = 524.80
value at the end of the year = $ 6400 - $ 524.80
= $ 5875.20