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.