Step-by-step explanation:
2w+3(2w)=30
8w=30
w=3.75
l=11.25
 
        
             
        
        
        
Chris walked the dog for 80 minutes or 1 hour and 20 minutes
        
                    
             
        
        
        
The percentage of apples that are bad is 25%. This is because 25% of 24 is 6. I hope this helped! 
        
             
        
        
        
Answer:
Step-by-step explanation:
Additive inverse of (5a² - 4a + 3) should be added to make them zero
 (5a² - 4a + 3) + (-5a² + 4a - 3)=   <u>5a² - 5a² </u>  <u>- 4a + 4a</u>    <u>+ 3  - 3</u>
                                               = 0
 
        
             
        
        
        
(4/7)^3=.1865
6xyz/2xz simplifies to 3y