Answer:
The Answer is that Orchestra seats were $15 and Balcony seats were $9.
Step-by-step explanation:
400(x+6) + 250x = 8250
400x + 2400 + 250x = 8250
650x + 2400 = 8250
650x = 5850
x = 9
Proof:
400(15) + 250(9) = 8250
6000 + 2250 = $8,250
 
        
             
        
        
        
Answer:
6750J
Step-by-step explanation:
30^2=900 900x15=13500 13500/2=6750
 
        
                    
             
        
        
        
To do 130% increase you multiply by 1.3 so you do 810 × 1.3 = 1053
        
             
        
        
        
Answer:
3    
1 $ left over
Step-by-step explanation:
        
                                  10$
          wood              wood                wood  
            3$                      3$                    3$
           she wood only buy 3 and have 1$ left 
 
        
             
        
        
        
Fraction adding: Okay, so if you have two fractions with the same denominator like 2/3 and 1/3 then they are easily added. Just add the numerators together and then keep the denominator. Like this: 2/3 + 1/3 = 3/3 or 1 whole. Here is something for fractions with unlike denominators.