Question

Brianna predicted that 16 puppies wouldbe sold at the pet store on Saturday.However, only 9 were sold. What wasBrianna's percent error?

Answer 1

We can find the percent error with the following expression:

$\frac{predicted\text{ - real}}{real}=\frac{16-9}{9}=\frac{7}{9}=0.77=77\%$

therefore, Brianna's percent error is 77%