Answer:
there were 200 children and 500 adults at the show
Step-by-step explanation:
7x+10y=6400
x+y=700
x=700-y
7(700-y)+10y=6400
4900-7y+10y=6400
-7y+10y=1500
3y=1500
y=500
x=700-y
x=700-500
x=200
 
        
                    
             
        
        
        
9/50 is the answer I think!
I converted 9/10 to decimal to make it easier for me to solve and got 0.9
I divided 0.9 by 5 and got 0.18 
I converted 0.18 to fraction and got 9/50
        
             
        
        
        
Answer:

Step-by-step explanation:
 
        
             
        
        
        
If i understood it right when you estimate the quotient it help you have an idea 
        
             
        
        
        
Answer:
250
Step-by-step explanation:
mulitply 28.95 by 4 to get that out of the way, this equals 115. 
subtract: 200-115=85
divide: 85/.34
answer:250