Jeep Offers

A. Public radio is funded through private donations. However, everyone can listen to it, whether or not they have donated.

B. A toll bridge requires that every car crossing the bridge pay a toll.

C. A school fundraiser raffles off a free trip to Hawaii. Anyone can buy raffle tickets, but there is only one winner.

D. The local gym offers dance lessons at a very low cost during the weekend.

I am having trouble with my last hw problem so any help or start is appreciated.
A service organization is selling $2 raffle tickets as part of a fundraiser. The first prize is a boat valued at $2950, second is a tent at $400. In addition to the 1st and 2nd prizes, there are 25 $20 gift cards to be given. The number of tickets sold is 300.
Find the expected net gain to the player for one play of the specific game.

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)