Answer:
96
Explanation:
3x + 5x = 8x.
8 altogether --> 3 tulips and 5 daisies
16 altogether --> 6 tulips and 10 daisies
24 altogether ---> 9 tulips and 15 daisies
etc
etc
48 altogether --> 12 tulips and 20 daisies
96 altogether --> 15 tulips and 25 daisies