If you win with a Blackjack you will be paid out at odds of 3 to 2. So if you bet 10 you will win 25.
For any normal winning hand of Blackjack the payout will double your bet. So, if you bet 10 you will win 20.
If you lose against a Dealer's Blackjack and have taken Insurance you will get paid 1 to 1.5 odds on your original bet. So if you bet 10 you will be paid 15.