I suppose the / are absolute value lines.... so ill answer it that way, -(-2) simplifies to 2. -/-2/ simplifies to -2
        
             
        
        
        
18) (10)7d/10=35(10)
7d/7=350/7
d=50
21) 3/4 w=27
(4/3)3/4 w=27(4/3)
w=36
Hope this helps!
        
             
        
        
        
five pairs of jeans should cost $67.5
 
        
                    
             
        
        
        
Answer:
63.66197728% or just 64% lol 
Step-by-step explanation:
 
        
             
        
        
        
Answer:
C, 40%
Step-by-step explanation:
0.15 + 0.25 is 0.4 and in percentage that is 40%