Fraction of girls =  1 - 3/7 = 4/7 
4/7 is equivalent to 72 girls
1/7  ..  ..  .............   72 / 4 = 18
Total number of children = 7/7   = 18*7 =  126 Answer
        
             
        
        
        
Answer:
x = 8 
Step-by-step explanation:
Firstly, create an equation or formula
- because they are congurent, IN = AT, so: 
2x+10 = 26 (minus 10 from both sides) 
2x = 16 (divide both sides by 2) 
x = 8 
Sub into the formula: 
2 x 8 + 10 = 26 
26 = 26 
 
        
                    
             
        
        
        
Answer:
8 and 7 
Step-by-step explanation:
8 -7 = 1
8*7 = 56 
 
        
             
        
        
        
Answer:
im pretty sure it would be a.
Step-by-step explanation:
55x3 = 165, and  12x would mean the money times the amount of used he bought.  so therefore it is a.
 
        
             
        
        
        
Answer:
C) Consistent and Dependent.
Step-by-step explanation:
As the system has at least ONE solution. Both lines lie over each other, which makes them dependent.
The system, therefore, is consistent and dependent.