Better buy: close prices

Work out the price of one in each pack, then compare.

1. Pack A: 3 folders for $4.35. Pack B: 12 folders for $16.20. Which pack costs less per folder? Write A or B.
2. Pack A: 2 notebooks for $3.10. Pack B: 4 notebooks for $6. Which pack costs less per notebook? Write A or B.
3. Pack A: 7 folders for $10.50. Pack B: 8 folders for $11.20. Which pack costs less per folder? Write A or B.
4. Pack A: 5 cupcakes for $5.25. Pack B: 6 cupcakes for $6. Which pack costs less per cupcake? Write A or B.
5. Pack A: 8 pens for $23.20. Pack B: 3 pens for $8.40. Which pack costs less per pen? Write A or B.
6. Pack A: 10 cupcakes for $19. Pack B: 11 cupcakes for $21.45. Which pack costs less per cupcake? Write A or B.
7. Pack A: 10 tickets for $14. Pack B: 9 tickets for $11.70. Which pack costs less per ticket? Write A or B.
8. Pack A: 11 cupcakes for $22. Pack B: 7 cupcakes for $14.70. Which pack costs less per cupcake? Write A or B.
9. Pack A: 10 cans of soup for $8. Pack B: 3 cans of soup for $2.25. Which pack costs less per can of soup? Write A or B.
10. Pack A: 10 tickets for $12.50. Pack B: 8 tickets for $9.60. Which pack costs less per ticket? Write A or B.
11. Pack A: 11 cans of soup for $8.25. Pack B: 10 cans of soup for $7. Which pack costs less per can of soup? Write A or B.
12. Pack A: 6 apples for $21.30. Pack B: 5 apples for $18. Which pack costs less per apple? Write A or B.
13. Pack A: 3 folders for $7.20. Pack B: 12 folders for $27.60. Which pack costs less per folder? Write A or B.
14. Pack A: 5 folders for $19. Pack B: 2 folders for $7.40. Which pack costs less per folder? Write A or B.
15. Pack A: 9 cans of soup for $8.10. Pack B: 5 cans of soup for $5. Which pack costs less per can of soup? Write A or B.
16. Pack A: 7 cupcakes for $7.70. Pack B: 2 cupcakes for $2.40. Which pack costs less per cupcake? Write A or B.
17. Pack A: 4 apples for $18.80. Pack B: 8 apples for $36.80. Which pack costs less per apple? Write A or B.
18. Pack A: 12 cupcakes for $45. Pack B: 5 cupcakes for $19.25. Which pack costs less per cupcake? Write A or B.
19. Pack A: 5 pens for $19.50. Pack B: 9 pens for $34.65. Which pack costs less per pen? Write A or B.
20. Pack A: 10 pens for $27. Pack B: 4 pens for $10.40. Which pack costs less per pen? Write A or B.