Answer:
50:39
Step-by-step explanation:
The first number in the context always goes first!
 
        
             
        
        
        
Answer:  
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Work Shown:

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Explanation:
The idea is to first get all the y terms to one side. I did this by subtracting 2y from both sides in the third step.
Then factor out y and divide both sides by (8x-2)
Afterward there's the optional steps of simplifying (as shown in the final two steps).
 
        
             
        
        
        
Answer:
24/35
Step-by-step explanation:
 
        
             
        
        
        
Answer:
$6.96
Step-by-step explanation:
(4*8.99) + (3*7)
35.96 + 21 = 56.96 
50- 56.96 =  -6.96   So she owes 6.96