Name: SAT Math Help & School Math Mastery
Availability: InStock

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#31924

fraction

ratio

probability

hard

60 sec

In a school, there are 20 students in Class A and 30 students in Class B. In Class A, 8 students wear glasses. In Class B, 12 students wear glasses. If a student is selected at random from Class A or Class B, what is the probability that the student wears glasses?

A.

$\frac{8}{20}$

B.

$\frac{12}{30}$

C.

$\frac{20}{50}$

D.

$\frac{20}{100}$