Test: Algebra II

1.
There are two raffles that both support causes that you care about. You have $20, and want to purchase a ticket for the raffle that gives you the best odds of winning.
 
Raffle A supports a local charity, and has 75 tickets. Each ticket costs $15. One ticket will win a $110 prize, and the remaining tickets will win nothing.
Raffle B supports a national charity, and has 100 tickets. Each ticket costs $20. One ticket will win a $410 prize, and the remaining tickets will win nothing.
 
Which raffle is a better deal?

Raffle A, with payoff of -$15.90

Raffle B, with payoff of -$15.90

Raffle A, with payoff of -$13.57

Raffle B, with payoff of -$13.57

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