Answer:
4 balloons
Step-by-step explanation:
3:6= 1:2
2*3= no. of guest, 1*3= no. of balloons
SO
2*4 (8)= number so guests, and 1*4 (4)= number of balloons
 
        
             
        
        
        
1 adult=2
1 child=1
multiply 2*8=16 adult glasses
multiply 1*5=5 child glasses 
in total she needs 21 glasses
hope I was helpful
 
        
             
        
        
        
Ultimately 2 • sq rt of 5
 _________
 5
 
        
                    
             
        
        
        
Answer: Jill got the larger smoothie and its volume is 1609.14 cubic cm.
Step-by-step explanation:
Since we have given that 
Jill purchased the cylindrical container.
Height of container = 8 cm
Radius = 8 cm
So, volume of cylindrical container would be 

Marcy purchased the rectangular container.
Height of container = 8 cm
Width = 8 cm
Length = 8 cm
so, volume of rectangular container would be 

Hence, Jill got the larger smoothie and its volume is 1609.14 cubic cm.