Two part problem that need help with.
1. Jill arranged her baseball cards in 4 rows of 9 cards. Then she arranged them in 2 rows of 18 cards. How many other ways can Jill arrange her cards in equal rows?
2. Sam has fewer baseball cards than Jill. There are only three ways that he can arrange his cards in equal rows. Write all the possible numbers of baseball cards that Sam could have.
4 * 9 = 36
Factors of 36:
1, 36
2, 18
3, 12
4, 9
6, 6
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What is your answer for 2?