1. Make 40¢ with 3 coins. Quarter, Dime, Nickel
2. Make 40¢ with 4 coins. Dime, Dime, Dime, Dime
3. Make 30¢ with 4 coins. Dime, Dime, Nickel, Nickel
4. Make 50¢ with 5 coins. Dime, Dime, Dime, Dime, Dime
5. Make 50¢ with 6 coins. Dime, Dime, Dime, Dime, Nickel, Nickel
6. Make 20¢ with 7 coins. Dime, Nickel, Penny, Penny, Penny, Penny, Penny