Answer:
Minutes to make one balloon sculpture = 5 minutes
Balloons are used for one balloon sculpture= 8 balloons
Tomas use balloons = 1.6 per minute
Explanation:
a).
180 minutes = 36 sculpture

5 minutes to make a sculpture
b).
288 balloons = 36 sculpture

8 Balloons to make a sculpture
c).
288 Balloons = 180 minutes

1.6 Balloons per minute