Marco predicted that he would sell 180 blankets. he actually sold 150 blankets. what are the values of a and b in the table
below? round to the nearest tenth if necessary.
percent error
e rror
absolute error
ratio
percent error
item
blankets
approximate value
180
exact value
150
a = 180: 0-16.7%
a= 1600-20%
180 d=83.3%
can
300= 100%