Answer:
Tomas"s unit rate is 1.4 balloons per minute
Step-by-step explanation:
Given:
252 balloons are used to make 36 identical balloon sculptures in 180 minutes.
1 balloon Sculpture is made of 7 balloons.
∴Number of Balloons used in 1 minute = [tex]\frac{\textrm{Number of Ballons in 180 minutes}}{180 \ minutes} = \frac{252}{180} =1.4 balloons.[/tex]