Step-by-step explanation:
y=kx
say that y is the original prince and x is the sale price
15=k(10)
15/10=k
3/2=k
you can check with the next problem to check if it is the same
25=k(20)
25/20=k
5/4=k
so you take 5/4-3/2=-1/4 so the constant is -1/4
Hope that helps :)
 
        
             
        
        
        
Answer:
$125.55
Step-by-step explanation:
All you do is multiply your earned per hour by total hours.
 
        
                    
             
        
        
        
Answer:
$82.5
Step-by-step explanation:
$16.50 * 5 = $82.5
 
        
                    
             
        
        
        
Step-by-step explanation:
4(x-6)=2
4x-24=2
4x=2+24
4x=28
x=7