Hey there,
10. 6 cups
11. 35 pints
12. 30 cups
13. 18 quarts
14. 7.5 gallons
15. 0.25 gallons
16. 80 cups
17. 136 gallons
18. 56 ounces
19. 9 gallons
20. I don't see what i have to convert 4 pints and 3 cups into.
Other than the last one, i hope they were useful. Have a Brainy Day!!!