Answer:
84%
Step-by-step explanation:
Joey gives 21 correct answers out of 25 questions on a quiz.
We have to calculate the percent of Joey's correct answer.
Now, percentage of x out of y is given by the simple expression [tex] \frac{x}{y} \times 100[/tex]%.
Hence, the percentage of correct answer given by Joey is given by
[tex] \frac{21}{25} \times 100 = 84[/tex]%. ( Answer )