Use the substitution method
(9,90) y= 10x
90= 10(9)
90= 90
Answer is yes 
 
        
                    
             
        
        
        
You multiply the $5687.50 by 0.8 to get the total of $4550.
So Hua raised $4550 out of the $5687.50.
        
             
        
        
        
Answer:
Tiffany ate 4 slices of pizza
Step-by-step explanation:
1/4 of 16 is 4
 
        
                    
             
        
        
        
The sum is :
6 / x + x / 6 =
= ( 6 * 6 ) + ( x * x ) / 6 x = 
= ( 36 + x² ) / ( 6 x )
Answer: ( 36 + x² ) ( 6 x ) 
        
             
        
        
        
Answer:
$0.45x
Step-by-step explanation:
Fred earns dollars. Let Fred earns $x.
Chad earns 45% more than Fred.
We need to find the expression for Chad.
Chad amount = 45% of x

So, Chad earns $0.45x.