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