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OpenStudy (anonymous):
The value of a rare coin according to the 1979 edition of A Guide Book of American Coins is listed as $320. The 1997 value had increased to $1056. What was the percent increase in the value of the coin?
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OpenStudy (anonymous):
1056/320 = 3.3 To make this a percentage you multiply by 100. 3.3 * 100 = 330%
OpenStudy (anonymous):
thank you
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