Better buy: compare two packs

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

1. Pack A: 4 cupcakes for $8. Pack B: 9 cupcakes for $9.90. Which pack costs less per cupcake? Write A or B.
2. Pack A: 8 cans of soup for $14.80. Pack B: 9 cans of soup for $14.40. Which pack costs less per can of soup? Write A or B.
3. Pack A: 9 cans of soup for $5.85. Pack B: 5 cans of soup for $5.25. Which pack costs less per can of soup? Write A or B.
4. Pack A: 5 cans of soup for $7.25. Pack B: 11 cans of soup for $13.20. Which pack costs less per can of soup? Write A or B.
5. Pack A: 11 pens for $7.15. Pack B: 6 pens for $15. Which pack costs less per pen? Write A or B.
6. Pack A: 12 apples for $28.80. Pack B: 7 apples for $3.50. Which pack costs less per apple? Write A or B.
7. Pack A: 4 tickets for $2.40. Pack B: 3 tickets for $2.25. Which pack costs less per ticket? Write A or B.
8. Pack A: 5 notebooks for $11. Pack B: 7 notebooks for $16.45. Which pack costs less per notebook? Write A or B.
9. Pack A: 5 notebooks for $8.25. Pack B: 8 notebooks for $7.20. Which pack costs less per notebook? Write A or B.
10. Pack A: 8 pens for $5.20. Pack B: 11 pens for $27.50. Which pack costs less per pen? Write A or B.
11. Pack A: 3 pens for $3. Pack B: 5 pens for $3.50. Which pack costs less per pen? Write A or B.
12. Pack A: 2 cupcakes for $6.40. Pack B: 10 cupcakes for $24.50. Which pack costs less per cupcake? Write A or B.
13. Pack A: 5 cans of soup for $4. Pack B: 6 cans of soup for $15. Which pack costs less per can of soup? Write A or B.
14. Pack A: 10 apples for $32. Pack B: 5 apples for $21.50. Which pack costs less per apple? Write A or B.
15. Pack A: 3 tickets for $7.95. Pack B: 9 tickets for $10.80. Which pack costs less per ticket? Write A or B.
16. Pack A: 4 cupcakes for $19.80. Pack B: 6 cupcakes for $13.50. Which pack costs less per cupcake? Write A or B.
17. Pack A: 8 cans of soup for $33.60. Pack B: 9 cans of soup for $42.75. Which pack costs less per can of soup? Write A or B.
18. Pack A: 7 folders for $41.30. Pack B: 6 folders for $26.10. Which pack costs less per folder? Write A or B.
19. Pack A: 2 folders for $8. Pack B: 11 folders for $18.15. Which pack costs less per folder? Write A or B.
20. Pack A: 7 apples for $16.45. Pack B: 9 apples for $8.10. Which pack costs less per apple? Write A or B.