Answer:
A) Hot air balloon about 17 seconds
Step-by-step explanation:
9 x 6 = 54      6 x 3= 18 seconds
5 x 10 = 50      10 x 2= 20 seconds
 
        
                    
             
        
        
        
So 12000 mil. litters is 12 liters
so multiply 12x1.09 and you get 
$13.08 
your answer is $13.08
        
             
        
        
        
Answer:
216 cu. ft.
Step-by-step explanation:
V = 1/2 x b x h x l
    = 1/2 x 12 x 2 x 18
    = 12 x 18
    = 216 cu. ft.
   
 
        
                    
             
        
        
        
She can make a maximum of 108 costumes, with one yellow and one pink ribbon being used for each costume