Answer:
-7-5a
Step-by-step
i simplified it if thats what it meant
 
        
             
        
        
        
1/2 of $8.50 is $4.25
1/4 of $4.20 is $1.05
 $5.30 w/o taxes
 $5.74 is your answer
        
             
        
        
        
Answer:
74%
Step-by-step explanation:
looking left to right the each verticle "line "marks 25%
 
        
                    
             
        
        
        
Answer:
Step-by-step explanation:
Both terms have the same denominator, 7.  So combining them is relatively easy.  Rewrite 2 4/7 as 18/7 and then subtract 18/7 from 1/7:
1/7 - 18/7 = -17/7
Choose Answer 4:  None of these are correct.