Jose predicted that he would sell 48 umbrellas. he actually sold 72 umbrellas. what are the values of a and b in the table below?
round to the nearest tenth if necessary.
percent error
item
exact value
error
ratio
percent error
approximate value
48
absolute error
24
umbrellas
72
-24
а
b.
a-20= 33.3%
2. b-50%
10 - 67.7%
a-
b- 100%
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