Answer: The total income during those years is $11325.
Step-by-step explanation:
Since we have given that
Income from snowplowing is given by
if Amount of snow received in 2006 = 53
Income is given by
Amount of snowfall received in 2007 = 42
Income is given by
Amount of snowfall received in 2008 = 55
Income is given by
Amount of snowfall received in 2009 = 63
Income is given by
Amount of snowfall received in 2010 = 58
Income is given by
Amount of snowfall received in 2011 = 47
Income is given by
So, Total income during those years is given by
Hence, the total income during those years is $11325.