Question

Erika calculated that she would spend $115 on school supplies this year. She actually spent $82.50 on school supplies. What is Erika’s percent of error?
28.3%
2.8%
39.4%
32.5%

Answer 1

first find the error itself:
\(115-82.50\)

Answer 2

right well I think it's d but i'm not sure

Answer 3

\((115-82.50)\div 115\)

this \(\Uparrow\) will give you the error in terms of a fraction, and then convert this to percentage....

Answer 4

oh ok I got it thanks

Answer 5

yw