SOLUTION: Along with incomes peoples charitable contributions have steadily increased over the past years. The table below shows the average deduction for charitable contributions reported o

Question 824047: Along with incomes peoples charitable contributions have steadily increased over the past years. The table below shows the average deduction for charitable contributions reported on individual income tax returns for the period 2007 to 2012. Find the average rate of change between 2009 and 2011.
Year. Contribution
2007 $1980
2008 $2350
2009 $2490
2010 $2760
2011 $3060
2012 $3120
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
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(2490 + 2760 + 3060)/3 = 2770
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