Find the number of each kind of object in the collection.

Question

Sue's Card Collection
8 packs of baseball cards
3 fewer packs of hockey cards than football cards
17 packs in all

Answer 1

B + H + F = 17

B = 8

H = F - 3

Substitue into the original equation:

8 + F - 3 + F = 17

can you find F?

Answer 2

F= 6

Answer 3

drews dvd collection 7 comedy dvds 4 more drama dvds than horror dvds15 dvds in all.
comedy dvds=
drama dvds=
horror dvds=