In a community of 80 members, 30 could speak French and 40 Urdu. 20 new members joined this community, out of which 9 could speak both Urdu and French and 11 could speak exactly one of these two languages. As a result, the fraction of the members of the community who could speak both Urdu and French doubled. The number of members who could speak exactly one of these two languages, finally, is

1) 58
2) 63
3) 69
4) 75