anonymous
  • anonymous
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%
Mathematics
chestercat
  • chestercat
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SolomonZelman
  • SolomonZelman
first find the error itself: \(115-82.50\)
anonymous
  • anonymous
right well I think it's d but i'm not sure
SolomonZelman
  • SolomonZelman
\((115-82.50)\div 115\) this \(\Uparrow\) will give you the error in terms of a fraction, and then convert this to percentage....

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anonymous
  • anonymous
oh ok I got it thanks
SolomonZelman
  • SolomonZelman
yw

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