The table below gives the annual sales (in millions) of a product. 2006 1998 1999 2000 2001 2002 2003 year 2004 2005 sales 272 317 352 377 392 397 392 377 352 What was the average rate of change of annual sales a) Between 2003 and 2004 b) Between 2003 and 2005 Submit Question millions of dollars/year millions of dollars/year

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