Question 621476
Probability = desired/total.  There are 26 total students in the class.<P>

A.  There are 13 people who wear glasses.  13/26 = 1/2 = 50%<P>
B.  Boy or wears glasses is 12 boys, and 8 more (girls) who wear glasses for a total of 20.  20/26 = 10/13 = 76.9%<P>
C.  There are 5 people who are boys and wear glasses.  5/26 = 19.2%.
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