Answer:
3 min.
5 balloons.
Step-by-step explanation:
How many minutes does it take to make one balloon sculpture?
t = (Total time) /  (Total identical  balloon sculptures) = 96 / 32 = 3 min.
How many balloons are used in one  sculpture?
n = (Total balloons) /  (Total identical  balloon sculptures) = 160 / 32 = 5 balloons.