Answer:
40 and 20
Step-by-step explanation:
- Uncle Jason's age = x
- Nephew Ralph age = y
<h3>Solution</h3>
<u>Age now:</u>
<u>Age 10 years ago: </u>
<u>Substituting x in the second equation:</u>
- 2y - 10 = 3y - 30
- 3y - 2y = 30 -10
- y = 20
<u>Then, finding x:</u>
<u>Answer:</u> Uncle Jason is 40 and nephew Ralph is 20 years old
 
        
             
        
        
        
Answer: 115
Step-by-step explanation:
 
        
                    
             
        
        
        
(8z - 10) ÷ (-2) + 5(z - 1) = 8z - 10 ÷ -2 + 5z - 5 = 8z + 5 + 5z - 5 = 13z
        
             
        
        
        
Answer:
$778.12
Step-by-step explanation:
Before Tax Price: $708.99
Sale Tax: 9.75% or $69.13
After Tax Price: $778.12