Fun Maths Question. Small N10k (play money of course) for the dopest formular/answer.

If Covid-19 killed everyone, except two fertile men and 50 fertile women (all below 30), how long will it take to repopulate the world (1 billion people)?

Consider all real world variables.

Una dey try. Thanks for playing my random little game. Reviewing the responses. If I don’t get an answer that wows me though, I’ll just split the 10k amongst the top 5 - who want it.