Answer:
B. 3 people;9 cups
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
There are two possibilities:
 and
 and 
 and
 and 
Step-by-step explanation:
Mathematically speaking, the statement is equivalent to this 2-variable non-linear system:


First,  is cleared in the first equation:
 is cleared in the first equation:

Now, the variable is substituted in the second one:

And some algebra is done in order to simplify the expression:


Roots are found by means of the General Equation for Second-Order Polynomials:
 and
 and 
There are two different values for  :
:






There are two possibilities:
 and
 and 
 and
 and 
 
        
             
        
        
        
Answer:
maybe y - -3x = -11?
Step-by-step explanation:
im rushing so i may have did it wrong sorry 
 
        
             
        
        
        
Answer:
m = -7
Step-by-step explanation:
1) expand: 2/9m-16/9=2/3m+4/3
2) add 16/9 to both sides: 
2/9m-16/9+16/9=2/3m+4/3+16/9
3) simplify: 2/9m=28/9+2/3m
4) subtract 2/3 m from both sides:
2/9m-2/3m= 28/9+2/3m-2/3m
5) simplify: -4/9m=28/9
6) m=-7
 
        
             
        
        
        
Answer:
16 minutes
Step-by-step explanation:
80% of 20 is 
80/100 * 20 = 16