Answer:
Least Common Multiple of 3 , 4 and 7 is 84 .
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
3 > x
Step-by-step explanation:
0>3x-3-6
Combine like terms
0>3x-9
Add 9 to each side
0+9>3x-9+9
9 > 3x
Divide each side by 3
9/3 > 3x/3
3 > x
 
        
             
        
        
        
1
(a) The total cost, C, is given by:

b) With 3 ounces of toppings, we have


Hence Evan's ice cream would cost $4.50
 
        
             
        
        
        
3x = 20.40. Divide each side by 3. 
x = 6.8 
she earns $6.8 per hour