The probability that a student will solve problem A is 2/3, and the probability that he will not solve problem B is 5/9. If the probability that student solves at least one problem is 4/5, then the probability that he will solve both the problems, is:
19/45
13/45
17/45
14/45
A
19/45
B
13/45
C
17/45
D
14/45
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