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Mathematics 9 Online
OpenStudy (anonymous):

Suppose that in 1990, the average plane ticket from New York to San Francisco was $240 but rose to a price of $430 by 2007. Determine the relative change in price from 1990 to 2007, and then refer to the chart to compare this change to the overall rate of inflation according to the CPI. Average Annual Consumer Price Index Year CPI Year CPI 1990 130.7 2000 172.2 1991 136.2 2001 177.1 1992 140.3 2002 179.9 1993 144.5 2003 184.0 1994 148.2 2004 188.9 1995 152.4 2005 195.3 1996 156.9 2006 201.6 1997 160.5 2007 207.3 1998 163.0 2008 215.3 1999 166.6

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