If the top 20% of students who passed in Math and top 40% of those who passed in Science are to be awarded certiﬁcates, how many certiﬁcates need to be printed?

If the top 20% of students who passed in Math and top 40% of those who

1.	If the top 20% of students who passed in Math and top 40% of those who passed in Science are to be awarded certiﬁcates, how many certiﬁcates need to be printed?
A.	65
B.	23
C.	42
D.	44
Answer» B. 23