What percentage of the number of students online would need to tell 1 friend about this openstudy.com/groups/mathematics/ for mathematics to gain 20,000 students?

Question

anonymous · Answer

and by this I mean reach 20,000 students, not 20,000 new ones

anonymous · Answer

"gain" was the wrong word

anonymous · Answer

you need 3 more it is very less if you percentage terms and also depends on openstudy members strength

anonymous · Answer

well it was 10% a couple minutes ago :P

anonymous · Answer

because there was 40 online and 19996 students.  You guys were just too slow for a precise answer :P

anonymous · Answer

i told you depends on the total student on open study online if there are 100 then it mae 3%

anonymous · Answer

attachment