I think its 18.24 because if you multiply it by 3.14 then subtract u should get 18.24
        
             
        
        
        
Simplified expression: 120x dollars
Step-by-step explanation:
Given, 
Number of cartons in case of Scout cookies = 10 cartons 
Number of boxes in carton of Scout cookies = 12 boxes
Amount earned on whole case = 10(12x)  dollars
To simplify the expression, we will multiply 10 by 12x
Amount earned on whole case = 120x dollars
Simplified expression: 120x dollars
Keywords: multiplication, variable 
Learn more about multiplication at:
#LearnwithBrainly
 
        
             
        
        
        

 = 

 Multiply both sides by v
<span>

 = w   Multiply both sides by x
</span>kv = wx   Divide both sides by w
<span>

 = x   Switch the sides to make it easier to read
</span>
x = <span>
 
 </span>
 
        
             
        
        
        
Step-by-step explanation:
x = number
3x - 15 = (x - 12)×-4 or (12-x)×-4
3x - 15 = -4x + 48 or -48 + 4x
7x = 63, x = 9 or
33 = x