Could anyone explain how to approach this? Thanks in advance.
In a certain group of 10 members, 4 teach only French and the rest teach only Spanish or German. If the group is to choose a 3-member committee, which must have at least 1 member who teaches French, how many different committees can be chosen?
a) 40
b) 50
c) 64
d) 80
e) 100
In a certain group of 10 members, 4 teach only French and the rest teach only Spanish or German. If the group is to choose a 3-member committee, which must have at least 1 member who teaches French, how many different committees can be chosen?
a) 40
b) 50
c) 64
d) 80
e) 100

















