+90 Suppose that 1/2 of the children in preschool are scared of snakes, 1/3 are scared of spiders, and 1/12 are scared of snakes and spiders.
1) What fraction of those who are scared of spiders are also scared of snakes?
A)1/2
B)1/3
C)1/4
D)1/6
2) What fraction of those who are scared of snakes are also scared of spiders?
A)1/2
B)1/3
C)1/4
D)1/6
