Answer:
Stephanie saved 
Step-by-step explanation:
x+4x=15600
5x=15600
divide by 5 on both sides
you get 3120
since stephanie got 4 times more, you multiply 3120*4 and get 12480
therefore, Alejandro saved 3120
: )
 
        
             
        
        
        
Answer:
Jeff Bezos
Step-by-step explanation:
He is the amazon founder and CEO, He has a net worth of 193.4 billion and ranks the first richest person on earth today
 
        
             
        
        
        
Answer:
-4x^2 + 237x - 675
Step-by-step explanation:
(x - 3)*(232 - 4x -7)                            >> Distribute x and -3 to the trinomial
232x - 4x^2 - 7x - 696 + 12x + 21     >> Simplify
-4x^2 + 237x - 675
 
        
                    
             
        
        
        
Answer:
If the person bout one box of chocolate O's than they paid $2.2 for 12 ounces