Tanya scored 20 out of 25 on her math quiz. What percent did she score?
(A) 75
(B) 95
(C) 80
(D) 20
(E) 45
By dividing, we find the fraction $\frac{20}{25}$ is equivalent to the decimal 0.80 .

We convert this to a percent by multiplying by $100 \%$.

Thus, Tanya scored $0.80 \times 100 \%=80 \%$ on her math quiz.

ANsWER: (C)