Respuesta :

CodBo3
you have to add the first year then for the 2nd year you have to add the estimated difference
texaschic101
the total change means add the changes from each year
-1 3/5 + (- 2 1/15) = 
-8/5 - 31/15 =
-24/15 - 31/15 =
-55/15 = - 3 2/3<== the total change

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