Jeep Offers

The winner of a raffle will recieve a 21-foot outboard boat. If 1000 raffle tickets were sold and you purchased 20 tickets, what are the odds against your winning the boat?
The odds are ____ to ____ (simplify your answer)

The winner raffle will recieve a 21 foot outboard boat. If 6000 raffle tickets were sold and you purchased 30 tickets, what are the odds against your winning the boat?
The odds are??