Answer:
4 flowers
Explanation:
Sandy has 16 roses, 4 daisies, and 20 tulips.
We find the factors of 4, 16 and 20
The factors of 4 are: 1, 2, 4
The factors of 16 are: 1, 2, 4, 8, 16
The factors of 20 are: 1, 2, 4, 5, 10, 20
Then the greatest common factor is 4.
Therefore, the greatest number of flowers that could be in a bouquet is 4 flowers